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The 17th term of an AP exeeds its 10th term by 7.find the common difference |
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Answer» We are given a(17) = a+(10-1)d a(17)= a+9d +7so a+(17-1)d = a+9d+7 16d=9d+7. {a is cancelled) 16d-9d= 7 7d=7 d=1 17th=10th+7a+(n-1)d=a+(n-1)da+16d=a+9d+716d-9d=77d=7d=1 |
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