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Mathematics, 03.08.2021 14:00 airiyannag0113

Given that S=n/2(2a+(n-1)d). If a=4,d=3 and n=20 find the value of S

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Given that S=n/2(2a+(n-1)d). If a=4,d=3 and n=20 find the value of S...

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