Question

Integration of dx/1+x2

is

(a) tan-1x

(b)) sinx

(c) cotx

(d) none of above ​

Answer 1

Answer:

once, my teacher told me "wow prathyusha, you are outstanding"

and I told my teacher "mam but I think you have to change Ur specs, because am not standing outside

Answer 2

Answer:

option A is correct