Suppose, $f(x)=e^{-\sqrt{x}}+e^{-\frac{1}{x^2}}$. If $f^{\prime \prime}(x)=\alpha \cdot \frac{e^{-\sqrt{x}}}{x}\left(1+\frac{1}{\sqrt{x}}\right)+\beta \cdot \frac{e^{-\frac{1}{x^2}}}{x^4}\left(3-\frac{2}{x^2}\right)$, then $(\alpha, \beta)=$

  • A
    $\left(\frac{1}{4}, 2\right)$
  • B
    $\left(\frac{1}{4},-2\right)$
  • C
    $\left(-\frac{1}{4}, 2\right)$
  • D
    $\left(-\frac{1}{4},-2\right)$

Explore More

Similar Questions

If $y^{2}=a x^{2}+b x+c$,where $a, b, c$ are constants,then $y^{3} \frac{d^{2} y}{d x^{2}}$ is equal to

If $y = a{e^x} + b{e^{-x}} + c$ where $a, b, c$ are parameters,then $y''' = $

If $y = \sin ax + \cos bx$, then $y'' + b^2 y =$

If $y = e^{\tan^{-1}x}$,then $(1 + x^2)\frac{d^2y}{dx^2} = $

Let $f(x)=ax^3+bx^2+cx+41$ be such that $f(1)=40, f'(1)=2$ and $f''(1)=4$. Then $a^2+b^2+c^2$ is equal to :

Vedclass Products

For Students

Vedclass Test Series

Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.

Start Free Trial
For Teachers

Exam Paper Generator

Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.

Try Free
For Institutes

Online Exam Module

Live online exams with unlimited students, 360° analytics & white-label branding.

See Demo