in an AP the first term is -8 and the last term is 100 find the sum of its first 20 terms
Answers
Answered by
3
Answer:
920
Subheading:
In an ap the first term (a)=-8
last term in ap(l)=100
s20=10(-8+100)
s20=920
sum of its first 20 terms=920
Similar questions
Social Sciences,
1 month ago
Math,
1 month ago
Chemistry,
1 month ago
Social Sciences,
3 months ago
Psychology,
3 months ago
Math,
10 months ago