Question

The 17th term of an arithmatic progression is 5 more than twice its 8th term if the 11th term of arithmetic progression is 43 find the 50th term

Answer 1

Step-by-step explanation:

Given: A_17=2(A_8)+5 and a+10d=43_____(1)

a+16d=2(a+7d) +5

a+16d=2a+14d +5

2d-a=5______(2)

by solving (1) and (2) eq.s

a=3 and d=4

A_50=a+49d

=3+49(4)

A_50 =199