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The nth term of an ap is 60 - 3n. Find its common difference |
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Answer» Thank you harshika An=60-3nLet , n= 1 then ,A1=60-3A1=57Now Let , n=2 thenA2=60-3(2)A2=60-6A2= 54 .Now, A2 - A1=d54-57=d➡️d = -3....... |
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