Question

If sn= n(2-3n) ,find first four terms of an ap


who will answer first and right answer will get as brainliest

Answer 1

Answer:

Step-by-step explanation:

Sn=n(2-3n)

n=1,2,3,4

S1=1(2-3(1))=1(-1)=-1

S2=2(2-3(2))=2(2-6)=2(-4)=-8

S3=3(2-3(3))=3(2-9)=2(-7)=-14

S4=4(2-3(4))=4(2-12)=4(-10)

=-40