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TIIS ID IILUT um of the ISUN Ens Ur an A...

TIIS ID IILUT um of the ISUN Ens Ur an A.P.is 4n? + 2n. Find the nth term of this A.P. 40. The sum of [CBSE 2014] of first n terms of an A.P.is 3n- + 4n. Find the 25th term of this A.P. 41. The sum of firs [CBSE 2017] d the sum to n terms is 64, 42. The sum of firs Also, find the 43. The sum of firs ICBSE 2013] um of first n terms of an A.P. is 5n2 + 3n If IS 5n™ + 3n. If its mth term is 168, find the value of m. find the 20th term of this A.P. um of first q terms of an A.P. is 639 - 397. If its pth term is - 60, find the value of p. (CBSE 2013] find the 11th term of this AP What is the sum of first 20

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