Your best submission for each entire question is used for your score. 1. [0/0.71 Points] DETAILS PREVIOUS ANSWERS TAMUBUSCALC1 4.2.001. 1/6 Submissions Used Consider the indefinite integral / x5(7 + 8x6)4 dx. (a) The most appropriate substitution is u = 8x6 X (b) After making the substitution, we obtain the integral du. X (c) Solving this integral (in terms of u) yields + C. X (d) Substituting for u we obtain the answer x5 (7 + 8 x6) 4 dx = + C. X Submit Answer 2. [-/0.71 Points] DETAILS TAMUBUSCALC1 4.2.002. 0/6 Submissions Used Consider the indefinite integral 7 x5 12 x6 - 7 - dx. (Remember to use absolute values where appropriate.) (a) The most appropriate substitution is u = (b) After making the substitution, we obtain the integral du. (c) Solving this integral (in terms of u) yields + C. (d) Substituting for u we obtain the answer 7x5 dx = + C. 12 x6 - 7 Submit