Question

for a G.P. a = 3, r = 2, sn = 766
find n.​

Answer 1

Answer:

8

Step-by-step explanation:

Sn=a(r^n -1)/r-1

=3(2^n-1)/1

765\3=2^n -1

255+1=2^n

256. =2^n

2^8=2^n

n=8

Answer 2

Answer:

n =383

Step-by-step explanation:

is the answer

for a G.P. a = 3, r = 2, sn = 766

find n.