sketh the region whose area is represented by the definite integral and evaluat the integral
Channel: Doubtnut
Date: 2020-08-30

sketh the region whose area is represented by the definite integral and evaluat the integral using an appropriate formula form geometry.  (a). `int_(1)^(4) 2dx`  (b). `int_(-1)^(2) (x+2)dx` (c) `int_(0)^(1) sqrt(1-x^(2))dx`