જો $y = \cos^{2}\left(\frac{5x}{2}\right) - \sin^{2}\left(\frac{5x}{2}\right)$ હોય,તો $\frac{d^{2}y}{dx^{2}} = $

  • A
    $-5 \sqrt{1-y^{2}}$
  • B
    $5 \sqrt{1-y^{2}}$
  • C
    $25 y$
  • D
    $-25 y$

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જો $y^2 = p(x)$ એ $3$ ઘાતવાળી બહુપદી હોય,તો $2\frac{d}{dx}\left( y^3 \frac{d^2y}{dx^2} \right)$ ની કિંમત શું થાય?

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જો $\sqrt{x+y}+\sqrt{y-x}=5$ હોય,તો $\left(\frac{d^{2} y}{d x^{2}}\right)=$

જો $y=3 e^{2 x}+2 e^{3 x}$ હોય,તો સાબિત કરો કે $\frac{d^{2} y}{d x^{2}}-5 \frac{d y}{d x}+6 y=0$.

જો ${I_n} = \frac{d^n}{dx^n}(x^n \log x)$ હોય,તો ${I_n} - n{I_{n - 1}} = $

જો $y = x + e^x$ હોય, તો $\frac{d^2x}{dy^2}$ ની કિંમત શોધો.

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