(B) Rewrite:
.Using (3) yields .(A) This is equivalent to .(E) Rewrite as (2t^2 − 1)−1/2 · 4t dt. Use (3).(D) Use (5) with u = 3x; du = 3 dx: cos (3x)(3 dx)(A) Use (4). If (D) Use (18). Let (C) Rewrite as . Use (3) with n = −2.(B) Rewrite as (1 + 4 x^2 )−1/2 · (8x dx). Use (3) with n = − .Note carefully the differences in the integrands in Questions 10–13.