MCQ
The interval for which ${\sin ^{ - 1}}\sqrt x + {\cos ^{ - 1}}\sqrt x = \frac{\pi }{2}$ holds
  • A
    $[0,\;\infty )$
  • B
    $[0,\;3]$
  • $[0, 1]$
  • D
    $[0, 2]$

Answer

Correct option: C.
$[0, 1]$
c
(c) ${\sin ^{ - 1}}\sqrt x + {\cos ^{ - 1}}\sqrt x = \frac{\pi }{2}$ holds $x \in[0,1].$

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Similar questions

Choose the correct answer from given four options in each of the Exercise:
The value of $\begin{vmatrix}\text{a}-\text{b}&\text{b}+\text{c}&\text{a}\\\text{b}-\text{a}&\text{c}+\text{a}&\text{b}\\\text{c}-\text{a}&\text{a}+\text{b}&\text{c}\end{vmatrix}$ is:
  1. a3 + b3 + c3
  2. 3bc
  3. a3 + b3 + c3 - 3abc
  4. None of these.
If the points $A(9,\,\,8,\, - 10)$, $B(3,\,\,2,\,\, - 4)$ and $C(5,\,\,4,\, - 6)$ be collinear, then the point $C$ divides the line $AB$ in the ratio
The equation of motion of a particle moving along a straight line is $s = 2$${t^3} - 9{t^2} + 12t$, where the units of  $s $ and  $ t$  are $cm$ and $sec$. The acceleration of the particle will be zero after
If $\text{u}=\cot^{-1}\sqrt{\tan\theta}-\tan^{-1}\sqrt{\tan\theta}$ then, $\tan\Big(\frac{\pi}{4}-\frac{\text{u}}{2}\Big)=$
  1. $\sqrt{\tan\theta}$
  2. $\sqrt{\cot\theta}$
  3. $\tan\theta$
  4. $\cot\theta$
$\int\frac{\sin^2\text{x}}{\cos^4\text{x}}\text{ dx}=$
  1. $\frac{1}{3}\tan^2\text{x}+\text{C}$
  2. $\frac{1}{2}\tan^2\text{x}+\text{C}$
  3. $\frac{1}{3}\tan^3\text{x}+\text{C}$
  4. none of these.
Let $A=\left[\begin{array}{l}1 \\ 1 \\ 1\end{array}\right]$ and $B=\left[\begin{array}{ccc}9^{2} & -10^{2} & 11^{2} \\ 12^{2} & 13^{2} & -14^{2} \\ -15^{2} & 16^{2} & 17^{2}\end{array}\right]$, then the value of $A ^{\prime} BA$ is.
If $\left|\begin{array}{ccc}x+1 & x & x \\ x & x+\lambda & x \\ x & x & x+\lambda^2\end{array}\right|=\frac{9}{8}(103 x+81)$, then $\lambda$, $\frac{\lambda}{3}$ are the roots of the equation
$\int\limits^1_0\frac{\text{x}}{(1-\text{x})^{54}}\text{ dx}=$
  1. $\frac{15}{16}$
  2. $\frac{3}{16}$
  3. $-\frac{3}{16}$
  4. $-\frac{16}{3}$
Solution of the  differential equation $\frac{\text{dy}}{\text{dx}}+\frac{\text{y}}{\text{x}}=\sin\text{x}$ is:  
  1. $\text{x}(\text{y}+\cos\text{x})=\sin\text{x}+\text{C}$
  2. $\text{x}(\text{y}-\cos\text{x})=\sin\text{x}+\text{C}$
  3. $\text{x}(\text{y}+\cos\text{x})=\cos\text{x}+\text{C}$
  4. None of these.
Suppose a differentiable function $f ( x )$ satisfies the identity $f(x+y)=f(x)+f(y)+x y^{2}+x^{2} y$ for all real $x$ and $y .$ If $\lim \limits_{x \rightarrow 0} \frac{f(x)}{x}=1,$ then $f^{\prime}(3)$ is equal to