Skip to main content
Yukti Vault

JEE Mathematics / Practice

Question Bank

Showing 31-35 of 408 questions.

IIT-JEE 1979Question 31
Find the derivative of $$f(x)=\begin{cases}\dfrac{x-1}{2x^{2}-7x+5}, & x\neq1\\[4pt] -\dfrac13, & x=1\end{cases}$$ at $x=1$.
Differentiation and its Application

Write your solution on paper, then reveal the worked solution to compare.

IIT-JEE 1983Question 32
Find the coordinates of the point on the curve $y=\dfrac{x}{1+x^{2}}$ where the tangent to the curve has the greatest slope.
Differentiation and its Application

Write your solution on paper, then reveal the worked solution to compare.

IIT-JEE 1982Question 33
Let $f$ be a twice differentiable function such that $f''(x)=-f(x)$ and $f'(x)=g(x)$, $h(x)=[f(x)]^{2}+[g(x)]^{2}$. Find $h(10)$ if $h(5)=11$.
Differentiation and its Application

Write your solution on paper, then reveal the worked solution to compare.

IIT-JEE 1981Question 34
Use the function $f(x)=x^{1/x}$, $x>0$, to determine the bigger of the two numbers $e^{\pi}$ and $\pi^{e}$.
Differentiation and its Application

Write your solution on paper, then reveal the worked solution to compare.

IIT-JEE 1981Question 35
Let $y=e^{x\sin x^{3}}+(\tan x)^{x}$. Find $\dfrac{dy}{dx}$.
Differentiation and its Application

Write your solution on paper, then reveal the worked solution to compare.