Question

write a next term of the A.P. ^8,^18,^32​

Answer 1

Answer:

An other way

Let x=arctanux=arctan⁡u, then sin(2x)=2u1+u2sin⁡(2x)=2u1+u2,

...=∫tan(x)1+u21+u2+2udu=∫tan(x)1+u2(1+u)2du.

Answer 2

Answer

8,18,32

it is not same common difference so it is not in AP