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
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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
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