Question

the sum of n terms of an ap given by 2 6 10 14 is

Answer 1

Answer:

Correct option is A)

Checking Statement 1:

Given series: 2,6,10,14,…

n=11

a=2

d=6−2=4

∴S

11=

2

11

[2.2+(11−1)4]=242

∴ Statement 1 is True

∴ Statement 2 is also True (general formula)

Statement 2 is used to prove Statement 1

Hence, statement 2 is correct explanation for statement 1.