Question
Evaluate the following:
$\int_0^{\pi / 2} \frac{\cos x}{3 \cos x+\sin x} d x$
$\int_0^{\pi / 2} \frac{\cos x}{3 \cos x+\sin x} d x$
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Profit on the sale of A is ₹ 30 and B is ₹ 20 per units. Formulate the L.P.P. to have maximum profit.