Evaluate the Integral Using an Appropriate Trigonometric Substitution $\int_{1}^{4} \frac{\sqrt{x^{2}-1}}{x^{4}} d x$

question 21

Short Answer

Evaluate the integral using an appropriate trigonometric substitution. $\int_{1}^{4} \frac{\sqrt{x^{2}-1}}{x^{4}} d x$

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