Question

The sum of three terms of an ap is 21 and the product of first and the third term exceeds the second term by 6.Find the sum of 20 terms of Ap.​

Answer 1

Answer:

hsjsnialaisgkai aialabkalaoba a

Answer 2

let the first term be x , second termvbe y and third term be z..

according to question

x + y + z=21 ______(1)

x×z=y+6________(2)

Solve both equations..

i hope you will get right answer and put the value of x y z in new equation..