Question

which term of GP 3,-3√3,9,-9√3,...is729​

Answer 1

Answer:

Explanation:

(a) = √3

(r) = 3 / √3 = √3

nth term = 729

= a * r^n-1 = 729

= (√3) * (√3)^n-1 = 3^6

= (√3)n = (√3)^12

= n = 12.