Question

Find the sum of first 11 term of ap 2,6,10

Answer 1

Answer:

242

Step-by-step explanation:

sum of n terms in A.P=n/2[2a+(n-1)d]

n=11

a=2

d=6-2=4

11/2[2*2+(11-1)4]

11/2[4+40]=11/2[44]=11*22=242