$n \in N$ के लिए,यदि $y = a x^{n+1} + b x^{-n}$ है,तो $x^2 \frac{d^2 y}{d x^2} = $

  • A
    $n(n-1) y$
  • B
    $n(n+1) y$
  • C
    $n^2 y$
  • D
    $(n+1) y$

Explore More

Similar Questions

$y=7 \sin x+5 \cos x$ के लिए,यदि $\frac{d^2 y}{d x^2}-m y=0$ है,तो $m=$ . . . . . .

यदि $f(x) = \begin{cases} x^3 \sin \left(\frac{1}{x}\right), & x \neq 0 \\ 0, & x=0 \end{cases}$ है,तो

मान लीजिए, $f(x)=e^{-\sqrt{x}}+e^{-\frac{1}{x^2}}$. यदि $f^{\prime \prime}(x)=\alpha \cdot \frac{e^{-\sqrt{x}}}{x}\left(1+\frac{1}{\sqrt{x}}\right)+\beta \cdot \frac{e^{-\frac{1}{x^2}}}{x^4}\left(3-\frac{2}{x^2}\right)$, तो $(\alpha, \beta)=$

मान लीजिए $f(x)=ax^3+bx^2+cx+41$ इस प्रकार है कि $f(1)=40, f'(1)=2$ और $f''(1)=4$ है। तो $a^2+b^2+c^2$ का मान ज्ञात कीजिए:

यदि $y=e^{m \sin ^{-1} x}$ है, तो $(1-x^{2}) \frac{d^{2} y}{d x^{2}}-x \frac{d y}{d x}-k y=0$, जहाँ $k$ का मान क्या है?

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