Question

27.The sum of first three terms of a G.P is 13/12



and their product is -1 . Find the

common ratio and the terms.​

Answer 1

Answer:

let the three term in GP be ar

here,

1st term of GP =ar

2nd term of GP =a

3rd term of GP =ar

it get that,

sum of first three term of GP =13/12

ie.a/r+a. a/r=13/12