જો $f(x)=\tan ^{-1}\left[\frac{\log \left(\frac{e}{x^{2}}\right)}{\log \left(e x^{2}\right)}\right]+\tan ^{-1}\left[\frac{3+2 \log x}{1-6 \log x}\right]$ હોય, તો $f^{\prime \prime}(x)$ ની કિંમત કેટલી થાય?

  • A
    $x^{2}$
  • B
    $x$
  • C
    $1$
  • D
    $0$

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

જો $f(x)=10 \cos x+(13+2 x) \sin x$ હોય,તો $f^{\prime \prime}(x)+f(x)$ ની કિંમત શોધો.

$f(x) = e^x \sin x$ હોય,તો $f^{(6)}(x)$ ની કિંમત શોધો:

જો $y(\theta) = \frac{2 \cos \theta + \cos 2 \theta}{\cos 3 \theta + 4 \cos 2 \theta + 5 \cos \theta + 2}$ હોય,તો $\theta = \frac{\pi}{2}$ આગળ $y'' + y' + y$ ની કિંમત શોધો.

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

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