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CBSE Past Year MCQ Quiz

Chapter 5 Class 12 Continuity and Differentiability | 3 questions | about 3 minutes

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Question 1 of 3
Question 1 of 3
CBSE Board Exam 2026
Derivative of \(\cos ^{-1}\left(\frac{\sin \mathrm{x}+\cos \mathrm{x}}{\sqrt{2}}\right),-\frac{\pi}{4}<\mathrm{x}<\frac{\pi}{4}\) with respect to x is :
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Question 2 of 3
CBSE Board Exam 2026
If \(f(x)=\left\{\begin{array}{cc}\frac{x^2-4 x-5}{x+1}, & x \neq-1 \\ k, & x=-1\end{array}\right.\) is continuous at \(\mathrm{x}=-1\), then the value of k is :
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Question 3 of 3
CBSE Board Exam 2024
A function \(\mathrm{f}(\mathrm{x})=|1-\mathrm{x}+|\mathrm{x}||\) is :
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