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

Q16: Evaluate the integral if it is

Q17: Use long division to evaluate the

Q18: Use a table of integrals to

Q19: Evaluate the integral or show that

Q20: Evaluate the integral. <span class="ql-formula"

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Q23: Find the integral. <span class="ql-formula"

Q24: Find the integral. <span class="ql-formula"

Q25: Use a table of integrals to

Q26: Use a table of integrals to