| 2024-05-22 | If \(4x + i(3x - y) = 3 + i( - 6)\), where x and y are real numbers, then find the values of x a... | 0:45 | 0 | |
|
| 2024-05-22 | Write the real and imaginary part \(1 - 2i^{2}\).... | 0:24 | 0 | |
|
| 2024-05-22 | Evaluate the value of \(i^{- 39}\).... | 1:33 | 0 | |
|
| 2024-05-22 | Write the complex number \(i^{9} + i^{19}\) in the form of \(a + ib\).... | 1:44 | 3 | |
|
| 2024-05-22 | Simplify the expression : \(i^{30} + i^{40} + i^{60}\).... | 1:19 | 7 | |
|
| 2024-05-22 | In \(z\ = \ 4\ + \ i\), what is imaginary part?... | 0:20 | 0 | |
|
| 2024-05-22 | In \(z\ = \ 4\ + \ i\), what is the real part?... | 0:19 | 0 | |
|
| 2024-05-22 | In the case of a straight-line (linear) demand curve meeting the two axes, the price-elasticity o... | 4:10 | 2 | |
|
| 2024-05-22 | Consider the set \(S = \{ x\ :\ x\) is a multiple of \(3\)}. Is \(S\) finite or infinite? Justify... | 0:37 | 0 | |
|
| 2024-05-22 | Are the following sets equal? Give reasons. \(A = \{ x\ :\ x\) is a vowel in the word "UNIVERSITY... | 0:50 | 0 | |
|
| 2024-05-22 | The geometric method is a more exact method of measuring elasticity of demand.... | 3:04 | 2 | |
|
| 2024-05-22 | Let \(B = \{ 0,\ 1,\ 2,\ 3,\ 4,\ 5\}\). Which of the following are true? \((i)\ 3\ \in... | 0:42 | 0 | |
|
| 2024-05-22 | According to the graphic or point method of elasticity of demand, the price elasticity of demand... | 2:16 | 3 | |
|
| 2024-05-22 | Shyam spent ₹ 5,000 on a commodity and bought 25 units of it. When its price changed, he spent ₹... | 3:36 | 2 | |
|
| 2024-05-22 | Find the domain of and range of the following functions: \(f(x) = \frac{x^{2}}{1 + x^{2}}\)... | 2:56 | 3 | |
|
| 2024-05-22 | When the price of a good rises from ₹ 5 per unit to ₹ 6 per unit, its demand falls from 20 units... | 4:16 | 1 | |
|
| 2024-05-22 | According to _____________ , elasticity of demand is measured on different points on a straight l... | 2:43 | 6 | |
|
| 2024-05-22 | A consumer buys 40 units of a good at the price of ₹ 3 per unit. When the price rises to ₹ 4 per... | 3:50 | 0 | |
|
| 2024-05-22 | Which of the following influences price elasticity of demand?... | 7:21 | 0 | |
|
| 2024-05-22 | Using the outlay method, we can never have unitary elastic demand.... | 6:28 | 0 | |
|
| 2024-05-22 | When two demand curves intersect each other, then the _________ curve is more elastic at the poin... | 3:32 | 1 | |
|
| 2024-05-22 | Read the following statements: Assertion (A) and Reason (R). Choose one of the following alternat... | 5:04 | 2 | |
|
| 2024-05-22 | According to total outlay method, expenditure decreases with rise in price of the given commodity... | 5:40 | 2 | |
|
| 2024-05-22 | Price elasticity of demand is best defined as:... | 4:37 | 2 | |
|
| 2024-05-22 | If the demand for a good is made by rich consumer, it's demand is generally:... | 2:41 | 1 | |
|
| 2024-05-22 | Expensive goods have __________ demand, while demand for inexpensive goods is _________ .... | 6:24 | 0 | |
|
| 2024-05-22 | The elasticity of demand for a product will not be higher:... | 5:41 | 4 | |
|
| 2024-05-22 | When the percentage change in the quantity demanded is more than the percentage change in price,... | 6:00 | 2 | |
|
| 2024-05-22 | Give three reasons for a shift in the demand curve.... | 2:21 | 2 | |
|
| 2024-05-22 | Decrease in the price of the complementary goods leads to:... | 4:25 | 2 | |
|
| 2024-05-22 | When income of a consumer falls the impact of the price demand curve of an inferior good is:... | 1:59 | 0 | |
|
| 2024-05-22 | There will be a ____ in the demand curve of cars with an increase in the price of petrol:... | 3:52 | 5 | |
|
| 2024-05-22 | Which of the following factors will lead to a rightward shift in the demand curve?... | 4:20 | 0 | |
|
| 2024-05-22 | A shift in demand curve of the given commodity may be caused by change in any determinant of dema... | 4:08 | 5 | |
|
| 2024-05-22 | The slope of demand curve is generally:... | 2:03 | 1 | |
|
| 2024-05-22 | Expansion in demand leads to:... | 1:51 | 2 | |
|
| 2024-05-22 | Define 'change in demand'.... | 3:47 | 0 | |
|
| 2024-05-22 | What do you mean by Demand Schedule?... | 2:15 | 3 | |
|
| 2024-05-22 | What do you mean by market demand.... | 2:56 | 0 | |
|
| 2024-05-22 | Cross demand states the relationship between:... | 2:43 | 1 | |
|
| 2024-05-22 | Cross price effect occurs in case of substitute goods only.... | 3:55 | 2 | |
|
| 2024-05-22 | Prove that \(2cos\frac{\pi}{13} \cdot \cos\frac{9\pi}{13} + cos\frac{3\pi}{13} + cos\frac{5\pi}{... | 1:50 | 4 | |
|
| 2024-05-22 | Prove that \(\frac{sec\ 8A - 1}{sec\ 4A - 1} = \frac{tan\ 8A}{tan\ 2A}\)... | 3:23 | 0 | |
|
| 2024-05-22 | Prove \(cos\ 4x = 1 - 8sin^{2}x \cdot \text{co}s^{2}x\)... | 0:50 | 0 | |
|
| 2024-05-22 | Prove that \(\text{si}n^{2}6x - sin^{2}4x = sin\ 2x \cdot sin\ 10x\)... | 1:28 | 1 | |
|
| 2024-05-22 | Prove that \(\frac{cos\ 9{^\circ} - sin\ 9{^\circ}}{cos\ 9{^\circ} + sin\ 9{^\circ}} = tan\ 36{^... | 0:54 | 1 | |
|
| 2024-05-22 | Prove \(sin(n + 1)x\ sin(n + 2)x + cos(n + 1)x\ cos(n + 2)x = cos\ x\)... | 0:50 | 1 | |
|
| 2024-05-22 | Prove that Cos105° + Cos15° + = Sin75° – Sin15°... | 0:31 | 1 | |
|
| 2024-05-22 | Prove that \(tan\ 56{^\circ} = \frac{cos\ 11{^\circ} + sin\ 11{^\circ}}{cos\ 11{^\circ} - sin\ 1... | 1:27 | 2 | |
|
| 2024-05-22 | Show that \(tan\ 3x.\ tan\ 2x.\ tan\ x\ = \ tan\ 3x\ –\ tan\ 2x\ –\ tan\ x\).... | 1:38 | 1 | Show |
|
| 2024-05-22 | Prove that \(\frac{\text{sin\ x}}{1 + cos\ x} = tan\frac{x}{2}\)... | 0:37 | 0 | |
|
| 2024-05-22 | Prove that Cot 4x (Sin 5x + Sin 3x) = Cot x (Sin 5x – Sin 3x)... | 2:01 | 1 | |
|
| 2024-05-22 | Prove that \(\frac{tan\ 69 + tan\ 66}{1 - tan\ 69 \cdot tan\ 66} = - 1\)... | 0:42 | 0 | |
|
| 2024-05-22 | Prove that \(\frac{sin\ 5x - 2sin\ 3x + sin\ x}{cos\ 5x - cos\ x} = tan\ x\)... | 2:16 | 0 | |
|
| 2024-05-22 | Prove that \(sin\ x + sin\ 3x + sin\ 5x + sin\ 7x = 4cos\ x \cdot cos\ 2x \cdot sin\ 4x\)... | 1:45 | 0 | | SiN
|
| 2024-05-22 | Prove that \((cos\ x + cos\ y)^{2} + (sin\ x - sin\ y)^{4} = 4cos^{2}(\frac{x + y}{2})\)... | 1:55 | 9 | |
|
| 2024-05-22 | If \(sin\ A = \frac{3}{5}\), where \(0{^\circ} < A < 90{^\circ}\), find the value of \(sin... | 2:27 | 2 | |
|
| 2024-05-22 | \(cos\ 6x = 32cos^{6}x - 48cos^{4}x + 18cos^{2}x - 1\)... | 2:02 | 0 | |
|
| 2024-05-22 | Prove that : \((1 + cos\frac{\pi}{8})(1 + cos\frac{3\pi}{8})(1 + cos\frac{5\pi}{8})(1 + cos\frac... | 2:44 | 5 | |
|
| 2024-05-22 | Prove that: \(\text{co}s^{4}\frac{\pi}{8} + cos^{4}\frac{3\pi}{8} + cos^{4}\frac{5\pi}{8} + cos^... | 3:04 | 3 | |
|
| 2024-05-22 | Prove that : \(cos\ 4x = 1 - 8sin^{2}\text{xco}s^{2}x\)... | 0:44 | 1 | |
|
| 2024-05-22 | Prove that : \((cos\ A + cos\ B)^{2} + (sin\ A - sin\ B)^{2} = 4cos^{2}(\frac{A + B}{2})\)... | 1:46 | 1 | |
|
| 2024-05-22 | Prove that \(\frac{cos\ 2\theta}{1 + sin\ 2\theta} = tan(\frac{\pi}{4} - \theta)\)... | 1:13 | 0 | |
|
| 2024-05-22 | Prove that \(\frac{1 + sin\ \theta + cos\ \theta}{1 + sin\ \theta + cos\ \theta} = tan\frac{\the... | 1:22 | 0 | |
|
| 2024-05-22 | Prove that \(\frac{1 + sin\ 2\theta + cos\ 2\theta}{1 + sin\ 2\theta - cos\ 2\theta} = cot\ \the... | 1:22 | 0 | |
|
| 2024-05-22 | Prove that \(\frac{sin\ 2\theta}{1 - cos\ 2\theta} = cot\ \theta\)... | 0:36 | 2 | |
|
| 2024-05-22 | Given \(\cos\theta = \frac{3}{5},\) find \(sin\ 2\theta\)... | 2:08 | 6 | |
|
| 2024-05-22 | Given \(\text{cos\ }\theta = \frac{3}{5},\) find \(\cos\frac{1}{2}\theta\)... | 0:58 | 3 | |
|
| 2024-05-22 | Prove that \(\frac{sin\ 2\theta}{1 + cos\ 2\theta} = tan\ \theta\)... | 0:29 | 1 | |
|
| 2024-05-22 | Verify the identity 1 – cos 2x = tan x sin 2x.... | 1:04 | 2 | |
|
| 2024-05-22 | Find cos 4x in terms of cos x.... | 1:25 | 0 | |
|
| 2024-05-22 | The demand curve of Pepsi will not shift with rise or fall in its price.... | 2:53 | 1 | |
|
| 2024-05-22 | \(\frac{sin\ x - sin\ y}{cos\ x + cos\ y} = tan\ \frac{x - y}{2}\)... | 0:46 | 1 | |
|
| 2024-05-22 | \(\frac{sin\ 5x + sin\ 3x}{cos\ 5x + cos\ 3x} = tan\ 4x\)... | 1:11 | 0 | |
|
| 2024-05-22 | \(sin\ 2x + 2\ sin\ 4x + sin\ 6x = 4\ cos^{2}x\ sin\ 4x\)... | 1:54 | 0 | |
|
| 2024-05-22 | \(\text{si}n^{2}6x - sin^{2}4x = sin\ 2x\ sin\ 10x\)... | 2:17 | 2 | |
|
| 2024-05-22 | \(\text{co}s^{2}2x - cos^{2}6x = sin\ 4x\ sin\ 8x\)... | 2:11 | 1 | |
|
| 2024-05-22 | \(sin(n + 1)xsin(n + 2)x + cos(n + 1)xcos(n + 2)x = cos\ x\)... | 3:50 | 0 | |
|
| 2024-05-22 | \(cos(\frac{3\pi}{4} + x) - cos(\frac{3\pi}{4} - x) = - \text{sin\ x}\)... | 1:46 | 4 | |
|
| 2024-05-22 | Prove the following : \(cos(\frac{\pi}{4} - x)cos(\frac{\pi}{4} - y) - sin(\frac{\pi}{4} - x)sin... | 3:36 | 0 | |
|
| 2024-05-22 | If \(\frac{sin\ (x + y)}{sin\ (x - y)} = \frac{a + b}{a - b},\) then show that \(\frac{\text{tan... | 3:39 | 9 | Show |
|
| 2024-05-22 | If \(sin(\theta + 180{^\circ}) = cos\ 60{^\circ}\), then what is the value of \(cos\ 5\theta\), w... | 1:19 | 0 | |
|
| 2024-05-22 | The value of cos 12° + cos 84° + cos 156° + cos 132° is... | 2:43 | 5 | |
|
| 2024-05-22 | The value of sin 50° – sin 70° + sin 10° is equal to... | 1:25 | 0 | |
|
| 2024-05-22 | Verify the following identity. \(\frac{sin\ 4x + sin\ 6x}{sin\ 4x - sin\ 6x} = - tan\ 5x\ cot\ x... | 2:22 | 0 | |
|
| 2024-05-22 | Express the difference of sin 2x – sin x as a product.... | 1:04 | 0 | |
|
| 2024-05-22 | \(cos(\pi + \alpha)\)... | 0:38 | 0 | Let's Play |
|
| 2024-05-22 | If tan < 0, sin < 0, then the terminal arm of the angle lies in the quadrant... | 1:34 | 0 | |
|
| 2024-05-22 | The value of cos 65° sin 25° + sin 65° cos 25° is... | 1:08 | 0 | |
|
| 2024-05-22 | What is the value of (sin 30° + cos 60°) – (sin 60° + cos 30°)?... | 0:50 | 1 | |
|
| 2024-05-22 | If \(\theta\) is an acute angle of a right triangle, then the value of \(\text{sin\ }\theta\ cos\... | 0:40 | 2 | |
|
| 2024-05-22 | \(\frac{cos(\pi + x)cos( - x)}{sin(\pi - x)cos(\frac{\pi}{2} + x)} = cot^{2}x\)... | 0:47 | 0 | |
|
| 2024-05-22 | If the value of \(\theta + \varphi = \frac{\pi}{2}\ \)\(\text{sin\ }\theta = \frac{1}{2}\). What... | 1:16 | 1 | |
|
| 2024-05-22 | Which of the following is the correct value of \(c10{^\circ} \cdot cot20{^\circ} \cdot cot60{^\ci... | 1:21 | 0 | |
|
| 2024-05-22 | \(2sin^{2}\frac{3\pi}{4} + 2cos^{2}\frac{\pi}{4} = 2sec^{2}\frac{\pi}{3} = 10\)... | 1:48 | 2 | |
|
| 2024-05-22 | Find the value of: \(sin\ 75{^\circ}\)... | 0:53 | 0 | |
|
| 2024-05-22 | \(\text{si}n^{2}\frac{\pi}{6} + cos^{2}\frac{\pi}{3} - tan^{2}\frac{\pi}{2} = - \frac{1}{2}\)... | 0:46 | 0 | |
|
| 2024-05-22 | Prove that \(\frac{sin(x + y)}{sin(x - y)} = \frac{tan\ x + tan\ y}{tan\ x - tan\ y}\)... | 1:25 | 0 | |
|
| 2024-05-22 | Evaluate \(2\ sin\frac{\pi}{12}\)... | 1:18 | 0 | |
|
| 2024-05-22 | Prove that sin600° cos390° + cos480° sin 150° = –1.... | 2:37 | 1 | |
|
