Only do question D thx

62 Evaluate the following indefinite integrals using integration by substitution. edx (a) 1 + er' put x = In(y); (b) V1 - x2 dx, put x - sin(y); ( @ ) r dx 1 - 12 put = 1-y; dx * (d ) Va2+ 12 put a = at; (e) 2x3 dx put c =t- 1; 1+ x