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7. Find the 31st term of an AP whose lIth anu un8. An AP consists of 50 terms of which 3rd term is 12 and the last term is 106. Find the 29thterm1538Tterm.

Answer»

a+2d=12a+49d=106a+49d-a-2d=106-12=94so d=2so a=12-4=8so 29th term=a+28d=8+56=64



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