Question

find the integral of those questions​

Answer 1

Answer:

plz

Step-by-step explanation:

thanks my answer plz

and dont delete the amswer plz

Answer 2

Answer:

answer of 7..is pi

Step-by-step explanation:

firstly in denominator make aperfact square then apply integral identity,

1/1+x^2 =1/a tan^1x/a,,,

and then put firstly upper limit-lower limit after solving integral and ,,,

then you answer be (pi)