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Evaluating the improper integral $\int_0^\infty \frac{x\cos x-\sin x}{x^3} \ cos(\frac{x}{2}) \mathrm dx $ - Mathematics Stack Exchange
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Evaluate ∫cos 2x.log((cos x + sin x)/(cos x - sin x)) dx - Sarthaks eConnect | Largest Online Education Community
![SOLVED:Question 6_ We ve already see that if f() = C€, the constant function; then f' (x) 0. Now we re going to investigate the converse. Consider the function g(z) , differentiable SOLVED:Question 6_ We ve already see that if f() = C€, the constant function; then f' (x) 0. Now we re going to investigate the converse. Consider the function g(z) , differentiable](https://cdn.numerade.com/ask_images/4e29b669fa7c43d6845941e1b61b728e.jpg)