Question: Evaluate the integral to the right in two ways.a. Simplify the integrand first, and then integrate.b. Change variables (let u=lnx), and then integrate.Verify that both

Evaluate the integral to the right in two ways.a. Simplify the integrand first, and then integrate.b. Change variables (let u=lnx), and then integrate.Verify that both methods give the same answer.a. Simplify the integrand.13221sech(lnx)xdx=132dxb. As suggested, let u=lnx. Find du.du=,dxRewrite the given integral using this change of variables.13221sech(lnx)xdx=du(Type exact answers.)Both methods yield 13221sech(lnx)xdx=(Type an exact answer.)

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