1.

If the 17th term of an A.p. exceeds its 10th term by 7, find the common difference

Answer» Arehh ab maths ke question kyu?
a17=a10 + 7a+16d=a+9d+7a+16d-a-9d=77d=7d=7÷7d=1
a17=a10+7


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