If the last term is 232 d=4,a=4 find the values of n and also S7 Question If the last term is 232 d=4,a=4 find the values of n and also S7 in progress 0 Math Iris 4 months 2022-01-06T18:32:40+00:00 2022-01-06T18:32:40+00:00 1 Answer 0 views 0

## Answers ( )

Step-by-step explanation:tn=a+(n-1)d

232=4+(n-1)4

232=4+4n-4

232=4n

n=58

Sn=n/2{2a+(n-1)d

S7=7/2{8+24}

=7/2×32

=7×16

=112