If `int_(0)^(oo) e^(-x^(2))dx=sqrt((pi)/(2))"then"int_(0)^(oo) e^(-ax^(2)) dx, a gt0`, s

If int_(0)^(oo)e^(-x^(2))dx=(sqrtpi)/(2)," then " int_(0)^(oo)e^(-ax^(2))dx,agt0 is

int_(0)^(oo)e^(-x^(2))dx=(sqrtpi)/(2) then

int_(0)^(oo)e^(-x^(2))dx=(sqrtpi)/(2) then

int_(0)^(oo)e^(-x^(2))dx=(sqrtpi)/(2) then

If int_(0)^(oo)e^(-x^(2))dx=(sqrt(pi))/(2), then int_(0)^(oo)e^(-ax^(2))dx where a>0 is: (A)(sqrt(pi))/(2) (B) (sqrt(pi))/(2a)(C)2(sqrt(pi))/(a) (D) (1)/(2)(sqrt((pi)/(a)))

int_(0)^(oo)e^(-xlog2)dx=

If int_ (0)^(oo) e^(-x^(2)) dx = (sqrt (pi))/(2), and int_ (0)^(oo) e^(-ax^(2) ) dx, a> 0 is (i) (sqrt (pi))/(2) (ii) (sqrt (pi))/(2a) (iii) 2 (sqrt (pi))/(a) (iv) (1)/(2) sqrt ((pi)/(a))

int_(0)^(oo)x^(3)e^(-x^(2))dx=

1. int_(0)^(oo)e^(-x/2)dx