Question

There are three terms in an ap . the second term is 4. Find the sum of these terms in an ap

Answer 1

Answer:

answer is 12

Step-by-step explanation:

let the terms be a-r,a,a+r

given a =4

a-r+a+a+r=3a=3×4=12

Answer 2

According to the question

Ap= a, a+d, a+2d

Given a+d= 4

Sum of first and last term

• a+a+2d
• 2a+2d
• 2(a+d)
• 2(4)
• 8