$\frac{d}{d x}\left[\left(x^{\frac{5}{2}}-x^{\frac{3}{2}}+1\right)\left(x^2-3 x+5\right)\right]=$

  • A
    $\frac{9}{2} x^{\frac{7}{2}}-14 x^{\frac{5}{2}}+20 x^{\frac{3}{2}}-\frac{15}{2} x^{\frac{1}{2}}+2 x-3$
  • B
    $\frac{9}{2} x^{\frac{7}{2}}-7 x^{\frac{5}{2}}+5 x^{\frac{3}{2}}-\frac{3}{2} x^{\frac{1}{2}}+2 x-3$
  • C
    $9 x^{\frac{7}{2}}-14 x^{\frac{5}{2}}+20 x^{\frac{3}{2}}-15 x^{\frac{1}{2}}+2 x-3$
  • D
    $\frac{9}{2} x^{\frac{7}{2}}-\frac{7}{2} x^{\frac{5}{2}}+\frac{5}{2} x^{\frac{3}{2}}-\frac{15}{2} x^{\frac{1}{2}}+2 x-3$

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List-$I$ के फलनों को List-$II$ में दिए गए उनके अवकलजों के साथ सुमेलित कीजिए।
List-$I$List-$II$
$A$. $\sec^{-1} x$$I$. $\frac{1}{1-x^2}, x \in (-1, 1)$
$B$. $\tanh^{-1} x$$II$. $\frac{-1}{|x| \sqrt{x^2+1}}, x \neq 0$
$C$. $\coth^{-1} x$$III$. $\frac{1}{|x| \sqrt{x^2-1}}, |x| > 1$
$D$. $\operatorname{cosech}^{-1} x$$IV$. $\frac{1}{1-x^2}, x \in R - [-1, 1]$
$V$. $\frac{-1}{|x| \sqrt{1-x^2}}, |x| < 1, x \neq 0$

यदि $y = (1 + x^{1/4})(1 + x^{1/2})(1 - x^{1/4})$ है,तो $\frac{dy}{dx} = $

$\frac{d}{dx} \sqrt{\frac{1 + \cos 2x}{1 - \cos 2x}} = $

यदि $f(x) = \frac{x}{1+|x|}$,$x \in \mathbb{R}$ के लिए,तो $f^{\prime}(0)$ का मान क्या होगा?

$x$ के सापेक्ष फलन का अवकलन कीजिए: $\cos (\sin x)$

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