समाकलन $\int \frac{\sin \theta \cdot \sin 2 \theta \left(\sin ^{6} \theta+\sin ^{4} \theta+\sin ^{2} \theta\right) \sqrt{2 \sin ^{4} \theta+3 \sin ^{2} \theta+6}}{1-\cos 2 \theta} d \theta$ का मान ज्ञात कीजिए (जहाँ $c$ समाकलन का एक स्थिरांक है)।

  • A
    $\frac{1}{18}\left[11-18 \sin ^{2} \theta+9 \sin ^{4} \theta-2 \sin ^{6} \theta\right]^{\frac{3}{2}}+ c$
  • B
    $\frac{1}{18}\left[9-2 \cos ^{6} \theta-3 \cos ^{4} \theta-6 \cos ^{2} \theta\right]^{\frac{3}{2}}+c$
  • C
    $\frac{1}{18}\left[9-2 \sin ^{6} \theta-3 \sin ^{4} \theta-6 \sin ^{2} \theta\right]^{\frac{3}{2}}+ c$
  • D
    $\frac{1}{18}\left[11-18 \cos ^{2} \theta+9 \cos ^{4} \theta-2 \cos ^{6} \theta\right]^{\frac{3}{2}}+ c$

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यदि $\int \frac{\cos (13 x)-\cos (14 x)}{1+2 \cos (9 x)} d x=\frac{\sin (4 x)}{a}-\frac{\sin (5 x)}{b}+c$ है,तो $a^b=$

$\int \frac{\cos 2 x \cdot \sin 4 x}{\cos ^4 x(1+\cos ^2 2 x)} d x=$

यदि $f(x) = \frac{\sin^2 \pi x}{1+\pi^x}$ है,तो $\int (f(x) + f(-x)) \, dx$ का मान ज्ञात कीजिए।

List-$I$ की निम्नलिखित वस्तुओं को List-$II$ में सुमेलित कीजिए। सही विकल्प चुनिए।
List-$I$List-$II$
$1. \int \frac{\sin^2 x}{\cos^4 x} dx$$A. \frac{\tan^2 x}{2} + \ln|\cos x| + c$
$2. \int \frac{\sin^4 x}{\cos^2 x} dx$$B. \cos x + \sec x + c$
$3. \int \frac{\sin^3 x}{\cos^2 x} dx$$C. \frac{\tan^3 x}{3} + c$
$4. \int \frac{\sin^3 x}{\cos^3 x} dx$$D. \tan x + \frac{\sin 2x}{4} - \frac{3x}{2} + c$
$E. \cos x - \sec x + c$

$\int \frac{x+\sin x}{1+\cos x} d x=$

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