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(Solved): 1. Calculate the following integrals. If they are improper comment if they converge or diverge a) ...
1. Calculate the following integrals. If they are improper comment if they converge or diverge a) ?(x2?3x+1)dx b) ?1+??x33?x+2x2?dx c) ?1+cosxdx? d) ?03?9?x2?dx,x=3sin?,??(2??,?) e) ?cos3x2xsinx?dx f) ?0?/2?cos(4x)sin(2x)dx g) ?x21+x2?dx?,x=tan?,??(2??,?) h) ???+??xe?x2dx i) ?(x2+1)exdx j) ??11?1+x2x2?dx,x=tan?,??[?4??,4??]