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3.Which term of the A.P. 4, 9, 14, 19, …………………is 79 |
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Answer» Step-by-step EXPLANATION: An= 79 a=4 d=5 An= a+(n-1)d 79= 4+(n-1)5 75=(n-1)5 70=(n-1) n=70+1 n=71 |
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