Let $f(x)$ and $g(x)$ be twice differentiable functions satisfying $f''(x) = g''(x)$ for all $x \in R$, $f'(1) = 2g'(1) = 4$ and $g(2) = 3f(2) = 9$. Then $f(25) - g(25)$ is equal to:

  • A
    $20$
  • B
    $40$
  • C
    -$20$
  • D
    -$40$

Explore More

Similar Questions

If $y = (1 + x^{1/4})(1 + x^{1/2})(1 - x^{1/4})$,then $\frac{dy}{dx} = $

Find the derivative of $f(x) = 1 + x + x^{2} + x^{3} + \dots + x^{50}$ at $x = 1$.

Compute the derivative of $g(x) = \cot x$.

Differentiate the function with respect to $x$: $\sin (ax+b)$

If $y=(1+x)(1+x^{2})(1+x^{4}) \ldots (1+x^{2^{n}}),$ then the value of $\left(\frac{d y}{d x}\right)$ at $x=0$ is

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