Question

The nth term of an A.P. is p and the (n + 1)th term is q. Find the first term and the fifth term in terms of n, p and q.​

Answer 1

In the following question they have given

an=a+(n-1)d=q---'(1)

And

an+1= a+nd=p--(2)

hence we can solve equations and find a and d

and then find a1 and a5

in all these cases a is the first time

it can can also be written as t