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Question 4 Choose the letter that represents the correct answer to the following problem. 1 To evaluate the integral V1+x 1- We can use the substitution U = . (provided that we don't need any further substitution to evaluate the integral) then du = 2-The value of G that makes x = w/ m 1 + a)vox +1. b) 5. c) VX. d) \\x +1. e) 4. 1 -dx. g) 1 -dx. h) 2 -dx. 1)-4. VX 2VX VX