Question

The 7th term of an arithmetic progression has the value 0 . Which term of the AP is 4 times the 13th element.​

Answer 1

The required A.P is

2, 5, 8, 11........................

Step-by-step explanation:

Formula used:

The n th term of the A.P a, a+d, a+2d, .......

is

Now we solve (1) and (2)

3a-2d=0.........(1)

2a-2d=-2.........(2)

(1)-(2)

a=2

using a=2 in (1) we get

3(2)-2d=0

2d=6

d=3

The required A.P is

2, 5, 8, 11........................