If \( y=f(x)=\frac{3 x-1}{5 x-3} \), prove that \( f(y)=x \).
If \( y=f(x)=\frac{3 x-1}{5 x-3} \), prove that \( f(y)=x \).
📲PW App Link - https://bit.ly/YTAI_PWAP
🌐PW Website - https://www.pw.live
Other Videos By PW Solutions
| 2022-10-26 | Rachel, an engineering student, was asked to make a model shaped like a cylinder with two cones a... |
| 2022-10-26 | The licence plates for vehicles registered in Delhi consist of 3 letters (of English alphabet) f... |
| 2022-10-26 | If \( \mathrm{A}+\mathrm{B}+\mathrm{C}=180^{\circ} \), prove that :
\[
\sin (B+2 C)+\sin (C+2 A)... |
| 2022-10-26 | In how many ways can 12 things be equally divided : (ii) into 2 heaps ? |
| 2022-10-26 | A ladder has rungs 25 cm apart.
(see Fig.
uniformly in length from 45 cm at the
bottom to 25 c... |
| 2022-10-26 | In a parallelogram A B C D, if ∠ B=135^∘, determine the measures of its other angles. |
| 2022-10-26 | A TV tower stands vertically on a bank of a canal. From a point on the other bank directly opposi... |
| 2022-10-26 | In how many ways can 12 things be equally divided : (i) between 2 persons |
| 2022-10-26 | The perimeter of a parallelogram is 22 cm. If the longer side measures 6.5 cm what is the measu... |
| 2022-10-26 | Fill in the blanks :
(i) A tangent to a circle intersects it in point (s).
(ii) A line intersecti... |
| 2022-10-26 | If \( y=f(x)=\frac{3 x-1}{5 x-3} \), prove that \( f(y)=x \). |
| 2022-10-26 | A contractor plans to install two slides for the children to play in a park. For the children bel... |
| 2022-10-26 | A spiral is made up of successive semicircles, with centres alternately at A and B, starting with... |
| 2022-10-26 | Which of the following functions are odd or even or neither ? \[ f(x)=\sin x+\cos x \] |
| 2022-10-26 | If \( f(x)=x^{2} \), find \( \frac{f(1.1)-f(1)}{1.1-1} \). |
| 2022-10-26 | Let \( f(x)=x^{2} \) and \( g(x)=2 x+1 \). Find \( \left(\frac{f}{g}\right)(x) \). |
| 2022-10-26 | For what values of \( x \) are the following functions not defined ? \[ \sqrt{(x+2)(x-3)} . \] |
| 2022-10-26 | Find the amount of water displaced by a solid spherical ball of diameter 4.2 cm, when it is comp... |
| 2022-10-26 | If \( y=f(x)=\frac{a x-b}{b x-a} \), prove that \( f(y)=x \). |
| 2022-10-26 | A study was conducted to find out the concentration of sulphur dioxide in the air in parts per mi... |
| 2022-10-26 | If \( f(x)=\frac{1-x^{2}}{1+x^{2}} \), prove that \( f(\tan \theta)=\cos 2 \theta \) |
0