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2) Which term of the A.P 5,8,11,14.... is 320 |
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Answer» n=106 Step-by-step EXPLANATION: a=5, d=8-5=3, An=320 An=a+(n-1)d 320=5+(n-1)3 320=5+3n-3 320=5-3+3n 320=2+3n 3n=320-2 3n=318 n=318/3 n=106 |
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