how many term of the AP 18 16 14 be taken so that their sum is zero
Answers
Answered by
2
n/2 (2*18+(n-1)*-2)=0
2*18+(n-1)*-2=0
36=2n-2
38=2n
n=19
2*18+(n-1)*-2=0
36=2n-2
38=2n
n=19
Similar questions