1.

. If the n term of an A.P is 7-3n, find the sum of first 20 terms.​

Answer»

First term is 4Common difference is -34,1,-2,-5...The FOLLOWING AP is a DECREASING AP.Sum = n/2(2a+( n-1)d)Sum= -490Follow and MARK BRAINLIEST plis.❤❤❤❤❤❤❤❤❤❤



Discussion

No Comment Found

Related InterviewSolutions