in an AP 17 term is 7 more than its 10 term. find the common difference
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Step-by-step explanation:
in A.P 17th term:a+(n-1)d
=a+(17-1)d
=a+16d
10th term=a+(n-1)d
=a+(10-1)d =a+9d
from questions a+9d+7=a+16d
∴ 7=7d
∴ d=1
common difference = 1
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