Chapter 13 49. Use the Fundamental Theorem of Calculus to evaluate each definite integral. ( b) ( 42 3 + 7 ) de (a) wdw (e ) 4 - 8 -ds $ 2 (F ) ( 2 413 - 22 1 /3) da 50. Use the method of substitution to evaluate each definite integral. ( 2 ) [ Vis + 1(32 2 ) du ( b ) / Vy - Idy ( C ) -dx V2x + 1 2 2 + 1 -dr Vx3 + 3x (e ) (Vx - 1)3 dx60. Evaluate the improper integrals, or show that they diverge. ( 2 ) J at + 3 / 2 (c) edx (a) Soo 1 24/3 dx ( e ) 10 dt 21/ 3 ( 8 ) (b) da (1 ) -20 ( 202 + 1)2 dap 2x