(a) ??? rac{cos ?{x}}{?{x}} dx (b) ?????² rac{t}{t² + 2} dt
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Given the integral \(\int_1^4 \frac{\cos \sqrt{x}}{\sqrt{x}} dx\), we notice that the integrand involves \(\sqrt{x}\). To simplify this, we can use the substitution \(u = \sqrt{x}\). Show more…
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