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If the nth term of an A.P. is pn+q,find its common differrrnce. |
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Answer» I am explaining my answer.an=pn+qWhen,n=1,a1=p+q.And when,n=2,a2=2p+q.d=a2-a1=2p+q-p-q=pThus,common difference=p Common difference is p d = (pn + q - a) upon (n - 1) |
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