If \( (\sin \alpha) x^{2}-2 x+b \geq 2 \) for all the real values of \( x \leq 1 \) and \( \alph...

Channel:
PW Solutions
Subscribers:
447,000
Published on ● Video Link: https://www.youtube.com/watch?v=SLvdGARI2Fk


Category:
Let's Play
Duration: 4:50
1 views
0

If \( (\sin \alpha) x^{2}-2 x+b \geq 2 \) for all the real values of \( x \leq 1 \) and \( \alpha \in(0, \pi / 2) \cup(\pi / 2, \pi) \), then the possible real values of \( b \) is/are
(a) 2
(b) 3
(c) 4
(d) 5
šŸ“²PW App Link - https://bit.ly/YTAI_PWAP
šŸŒPW Website - https://www.pw.live



Other Videos By PW Solutions


2023-06-19Comprehension Consider the cubic equation \( x^{3}-(1 \) \( +\cos \theta+\sin \theta) x^{2}+(\co...
2023-06-19Comprehension \( \alpha \) is a root of the equation \( 2 \sin x \) \( +\sin 2 x=1+\cos x, \beta...
2023-06-19Comprehension \( \quad \) Consider the cubic equation \( x^{3}-(1 \) \( +\cos \theta+\sin \theta...
2023-06-19Comprehension Consider the cubic equation \( x^{3}-(1 \) \( +\cos \theta+\sin \theta) x^{2}+(\co...
2023-06-19Let the solution set of the equations \[ \sec x+\tan x=\sqrt{3} \] \( 1+\sin x=\sqrt{3} \cos x \...
2023-06-19For \( 0\theta\frac{\pi}{2} \), the solution(s) of \( \sum_{m=1}^{6} \operatorname{cosec}\left(\...
2023-06-19Which of the following is/are correct. (a) \( (\tan x)^{\ln (\sin x)}(\cot x)^{\ln (\sin x)}, \f...
2023-06-19The expression \( \cos 3 \theta+\sin 3 \theta+(2 \sin 2 \theta-3)(\sin \theta-\cos \theta) \) is...
2023-06-19Express \( \cos 5 x \) in terms of \( \cos x \) and hence find general solution of the equation ...
2023-06-19The value of \( x \) in \( (0, \pi / 2) \) satisfying \( \frac{\sqrt{3}-1}{\sin x}+\frac{\sqrt{3...
2023-06-19If \( (\sin \alpha) x^{2}-2 x+b \geq 2 \) for all the real values of \( x \leq 1 \) and \( \alph...
2023-06-19Let \( f(\theta)=\left(\cos \theta-\cos \frac{\pi}{8}\right)\left(\cos \theta-\cos \frac{3 \pi}{...
2023-06-19The equations \( 2 \sin ^{2}\left(\frac{\pi}{2} \cos ^{2} x\right)=1-\cos (\pi \sin 2 x) \) is s...
2023-06-19The inequality \( 4 \sin 3 x+5 \geq 4 \cos 2 x+5 \sin x \) is true for \( x \in \) (a) \( \left[...
2023-06-19The equation \( 2 \sin ^{3} \theta+(2 \lambda-3) \sin ^{2} \theta-(3 \lambda+2) \sin \theta-2 \l...
2023-06-19If \( \cot \theta+\cot \left(\frac{\pi}{4}+\theta\right)=2 \), then the general value of \( \the...
2023-06-19The value of t which satisfies \( (t-[|\sin x|]) !=3 ! 5 ! 7 ! \) is/are where [.] is GIF (a) 9 ...
2023-06-19The minimum value of the function \[ f(x)=\frac{\sin x}{\sqrt{1-\cos ^{2} x}}+\frac{\cos x}{\sqr...
2023-06-19Solve for \( x: 3^{\sin 2 x+2 \cos ^{2} x}+3^{1-\sin 2 x+2 \sin ^{2} x}=28 \).
2023-06-19The equation \( \cos 7 x+\cos 5 x=-2 \) (a) Has 50 solutions in \( [0,100 \pi] \) (b) Has 3 solu...
2023-06-19The general solution of the equation \( \cos x \cdot \cos 6 x=-1 \), is (a) \( x=(2 n+1) \pi, n ...