Bihar BoardHindi Mediumकक्षा 12 साइन्सगणितसमाकलन2 Marks
Question
$\int \frac{x d x}{\left(1-x^2\right)^{3 / 2}}$ का मान लिखिए।
✓
Answer
$\int \frac{x d x}{\left(1-x^2\right)^{3 / 2}}$ माना $\quad 1-x^2=t \Rightarrow-2 x d x=d t$ $\quad$$\quad$$\quad$$\quad$$\quad$$\quad$$\quad$$\quad$$\quad$$\quad$$\quad$$\therefore x d x=\frac{-1}{2} d t$ $\Rightarrow I =\frac{-1}{2} \int \frac{d t}{t^{3 / 2}}$ $=\frac{-1}{2} \int t^{-3 / 2} d t=\frac{-1}{2} \frac{t^{-1 / 2}}{-1 / 2}+ C =\frac{1}{\sqrt{1-x^2}}+ C$
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