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Question

Find the sum of the first 16 terms of the A.P.10,6,2,..

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Solution

Solution:-
Given A.P terms are 10, 6, 2,...
common Difference = 6-10 = -4
Sum of 16 terms =162[2×10+(161)(4)]
=8[2060]
=8[40]=320

1105965_1184005_ans_64961738cdeb4cd59e03fb9aaa569feb.jpg

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