Question

find the sum of series (2³-1³)+(4³-3³)+(6³-15³)+...to

I) n terms

ii)8 terms​

Answer 1

Answer:

(2-1)=

6-3=3

+(4-3)

16-9=7

7+3=10

(6-15)=

18-45

=27+7+3

=37