$0 < x < 1$ के लिए,समाकलन $\int [\operatorname{Tan}^{-1}(1-x+x^2) + \operatorname{Tan}^{-1}(1-x)] dx$ का मान ज्ञात कीजिए।

  • A
    $x \operatorname{Cot}^{-1} x + \log \sqrt{1+x^2} + c$
  • B
    $x \operatorname{Tan}^{-1} x - \log (1+x^2) + c$
  • C
    $x \operatorname{Cot}^{-1} x + \frac{3}{4} \log (1+x^2) + c$
  • D
    $x \operatorname{Tan}^{-1} x - \frac{3}{4} \log \sqrt{1+x^2} + c$

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$\int {\left( {\sin \left( {101x} \right).{{\sin }^{99}}x} \right)} dx = \frac{{\sin \left( {100x} \right){{\left( {\sin x} \right)}^\lambda }}}{\mu } + C$ जहाँ $C$ समाकलन का स्थिरांक है,तो $\frac{\lambda }{\mu }$ का मान ज्ञात कीजिए।

$\int \frac{\sin x \cdot \sec ^2 x-\tan x \cdot \sin x+\cos x}{(1-\cos 2 x)} d x=$

निम्नलिखित कथनों का अवलोकन करें:
$A: \int \left(\frac{x^2-1}{x^2}\right) e^{\frac{x^2+1}{x}} d x = e^{\frac{x^2+1}{x}} + c$
$R: \int f^{\prime}(x) e^{f(x)} d x = f(x) + c$
तो निम्नलिखित में से कौन सा सत्य है?

यदि $\int \frac{1 - (\cot x)^{2021}}{\tan x + (\cot x)^{2022}} dx = \frac{1}{A} \log |(\sin x)^{2023} + (\cos x)^{2023}| + c$ है,तो $A = . . . . . .$

यदि $\int \frac{1}{x} \sqrt{\frac{1-\sqrt{x}}{1+\sqrt{x}}} d x=2 f(x)-2 \operatorname{Sin}^{-1} \sqrt{x}+c$ है, तो $f(x)=$

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