Question

Find the 7th term from the end of A.P. 7,10,13,........... 184.

Answer 1

a= 7

d= 3

a7 = a+(n-1) × d

a7 = 7+ (7-1) × 3

a7 = 7 +6× 3

a7 = 7+ 18

a7 = 25

hope this answer helps uhhh..

Answer 2

Step-by-step explanation:

l= last term 184

d= common difference=10-7=3

n= 7th term

therefore 7 th term from the end

=184+(7-1)(-3)

=184+6(-3)

=184-18

=166