ncert solutions for class 9,10,11 and 12 : If the sum of n terms of an A.P. is (pn + qn2), where p and q are constants, find the common difference.

Sunday, 30 June 2013

If the sum of n terms of an A.P. is (pn + qn2), where p and q are constants, find the common difference.

If the sum of n terms of an A.P. is (pn + qn2), where p and q are constants, find the common difference.

Answer

2 comments:

Unknown28 August 2018 at 06:40
How we compare the n2 on both sides
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Riu14 December 2018 at 06:33
How u can solve 3rd line please reply
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