An AP consists of 50 terms of which 3rd term is 12 and the last term is 106.Find the 29th term of the AP
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Answered by
50
Answer:
64
Step-by-step explanation:
3rd term = 12
50th term = 106
a+(3-1)d=12
a+2d=12 ---(1)
a+(50-1)d=106
a+49d=106 ---(2)
(2)-(1):
47d=94
d=94/47 = 2
a+2(2)=12
a+4=12
a=8
29th term:
8+(29-1)2
8+28(2)
8+56
64
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