Evaluate the indefinite integral Solution integral sec29xx2

Evaluate the indefinite integral.

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integral (sec^2(9/x))/x^2 dx For the integrand (sec^2(9/x))/x^2, substitute u = 9/x and du = -9/x^2 dx: = -1/9 integral sec^2(u) du = -(tan(u))/9+constant = -1/9 tan(9/x)+constant

Evaluate the indefinite integral. Solution integral (sec^2(9/x))/x^2 dx For the integrand (sec^2(9/x))/x^2, substitute u = 9/x and du = -9/x^2 dx: = -1/9 integ

Evaluate the indefinite integral Solution integral sec29xx2

Solution

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