[" 47) 24the sum of first meterms of an pro "],[" is "2m^(2)+3m" then the second term is "]

If the sum of first m terms of an AP is (2m^(2) + 3m) then what is its second term?

If the sum of the first n terms of series be 5n^(2)+2n , then its second term is

If the sum of the first n terms of series be 5n^(2)+2n , then its second term is

If the sum of the first n terms of a series be 5n^(2) + 2n , then its second term is

If the sum of the first n terms of an A.P. is 4n-n^(2) what is the first term? What is the sum of the first two terms? What is the second term? Find the 3rd, 10th, and the nth terms.

If the sum of the first n terms of an AP is 4n-n^(2) ,what is the first term (that is )? What is the sum of first two terms? What is the second term? Similarly,find the 3rd, the 10th and the nth terms.

If the sum of the first m terms of an A.P. is equal to the sum of either the next n terms or the next p terms, prove that, (m+n)((1)/(m)-(1)/(p)) = (m+p)((1)/(m) - (1)/(n))

Find the sum of first 30 terms of an A.P. whose second term is 2 and seventh term is 22.

Find the sum of first 30 terms of an A.P.whose second term is 2 and seventh term is 22.

If the sum of first m terms of an A.P. is the same as the sum of its first n terms, show that the sum of tis (m+n) terms is zero.