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

  • A
    -2y
  • B
    $\frac{2}{3} y$
  • C
    3y
  • D
    2y

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જો $y=A \cos n x+B \sin n x$ હોય,તો $y_2+n^2 y$ ની કિંમત કેટલી થાય?

ધારો કે $\cos ^{-1}\left(\frac{y}{b}\right)=\log \left(\frac{x}{n}\right)^{n}$. તો

જો $f(x) = f'(x) + f''(x) + f'''(x) + \ldots$ અને $f(0) = 1$ હોય,તો $f(x)$ બરાબર શું થાય?

જો $x^2 + y^2 + \sin y = 4$ હોય,તો બિંદુ $(-2, 0)$ આગળ $\frac{d^2y}{dx^2}$ ની કિંમત શોધો.

જો $y=x \log \left(\frac{1}{a x}+\frac{1}{a}\right)$ હોય,તો $x(x+1) \frac{d^2 y}{d x^2}+x \frac{d y}{d x}-y=$

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