Evaluate : x d x 3 ^ 2 x+4 ^ 2 x
Mathematics · JEE Advanced · NTA Exams — Integral Calculus
Evaluate : \(\int \frac{\sin x d x}{\sqrt{3 \sin ^{2} x+4 \cos ^{2} x}}\)
- \(-l n\left(\cos x+\sqrt{3+\cos ^{2} x}\right)+c\)
- \(\ln \left(\cos x+\sqrt{3+\cos ^{2} x}\right)+c\)
- \(-l n\left(\sin x+\sqrt{3+\sin ^{2} x}\right)+c\)
- None of these
Answer
(A) -l n ( x+ 3+ ^ 2 x )+c
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