Question

For an AP the first term is -8 last term 55 If
some of all this term is 235 Find the number of term​

Answer 1

a=-8

last term(Tn)=55

sum(Sn)=235

n=?

Sn=n/2(a+Tn)

235=n/2(-8+55)

2×235=n(47)

n=2×235÷47

n=470÷47

n=10

hence, number of terms=10

hope it helps..

pls mark it as brainliest

Answer 2

Answer:

number of terms =10

hope it helps you dear mark me as a brianlist dear pls pls pls pls pls pls pls