MCQ
$\int {(\sqrt {\tan x} + \sqrt {\cot x} )} $ મેળવો.
- A$sin^{-1} (sinx -cosx) + C$
- ✓$\sqrt 2 \,sin^{-1} (sinx -cosx) + C$
- C$\sqrt 2 cos^{-1} (sinx -cosx) + C$
- Dએકપણ નહીં.
$\int \frac{(\sin x+\cos x) d x}{\sqrt{\sin x \cos x}}$
$\sqrt{2} \int \frac{(\sin x+\cos x) d x}{\sqrt{1-(1-\sin 2 x)}}$
$\sqrt{2} \int \frac{(\sin x+\cos x) d x}{\sqrt{1-(\sin x-\cos x)^{2}}}$
$\sqrt{2} \sin ^{-1}(\sin x-\cos x)+c$
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અને $g(x) = (2x + 1)(x - k) + 3,\,0 \leqslant x < \infty $ આપેલ હોય તો $g(f(x))$ એ $x = 1$ આગળ સતત થાય જો $k= . . . $