s 4x4 5 1 dx In the following we will evaluate the integral using two Consider the integral methods A First rewrite the integral by multiplying out the integrand 40 4x x 1 dx Then evaluate the resulting integral term by term 4x 4 x x5 1 dx da B Next rewrite the integral using the substitution w x5 1 42 10dw 4x x5 1 dx Evaluate this integral and back substitute for w to find the value of the original integral 14 4x4 x5 1 dx C How are your expressions from parts A and B different What is the difference between the two Ignore the constant of integration answer from B answer from A