જો $y = \frac{1}{x} + \cos 2x$ હોય, તો $\frac{d^2y}{dx^2}$ ની કિંમત શું થાય?

  • A
    $\frac{2}{x^3} + 4y - \frac{4}{x}$
  • B
    $4y - \frac{4}{x} - \frac{2}{x^3}$
  • C
    $\frac{2}{x^3} + \frac{4}{x} - 4y$
  • D
    $4y - \frac{4}{x} - \frac{1}{x^3}$

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ધારો કે $P(x)$ એ $2$ ઘાતવાળી બહુપદી છે,જેમાં $P(2)=-1, P^{\prime}(2)=0, P^{\prime \prime}(2)=2$ છે,તો $P(1.001)$ ની કિંમત શોધો.

જો $y^2 = a x^2 + 2 x + c$ હોય,તો $y^3 \frac{d^2 y}{d x^2}$ શું થાય?

જો $f(x)$ એક બહુપદી છે જેથી $f(x) = [f'(x)]^2$ અને $f(2) = 0$, તો $f(-2) = ...$

જો $x^x y^y=e^e$ હોય,તો $\left(\frac{d^2 y}{d x^2}\right)_{(e, e)}=$

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