Answer Questions 1 and 2 asap please

1. [0.37/0.71 Points] DETAILS PREVIOUS ANSWERS TAMUBUSCALC1 4.2.001. 3/6 Submissions Used Consider the indefinite integral / x6(5 + 6x7) 4 dx. (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 (* 6 ( 5 + 6 x 7 ) 4 dx = + C. Submit Answer 2. [0.54/0.71 Points] DETAILS PREVIOUS ANSWERS TAMUBUSCALC1 4.2.002. 3/6 Submissions Used Consider the indefinite integral 7x3 dx. (Remember to use absolute values where appropriate.) 18x4 - 3 (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 7x3 dx = + C. 18x4 - 3 Submit