Question

Find an AP whose sum of n terms is 2n2 + 2

Answer 1

a=4
a2= 10

d= 6

so

sn=n/2 (8 +(n-1)*6)

Answer 2

Sn = 2n2 +2
S1 =2(1×1)+2
S1 =4
S2 =2(4)+2
=10
a =4 a2=10-4 =6
a=4 ,d=2
so AP =4,6,8, ................
mark it as a brainielist answer