Question

Find four consecutive term in A.P. whose sum is 20 and sum of 3rd and

4th term is 1.​

Answer 1

Answer:

Step-by-step explanation:

a-3d+a-d+a+d+a+3d=20

4a=20

a=5

a+2d+a+3d=1

5+5+5d=1

5d=-9

d=-9/5

So the terms after substitution of a & b are:

-2/5,16/5,34/5,52/5

Answer 2

Step-by-step explanation:

Hope it will help you Thanks