How many terms of the geometric sequence 4,12,36 is added if the sum is 4,372
4 years ago
so plugin the a=4372,r=12/4=3 and n will be 7
solve this equation for n , s=a(1-rn)/1-r
1-rn
4 years ago
Answered By Hamid Z
so plugin the a=4372,r=12/4=3 and n will be 7
4 years ago
Answered By Hamid Z
solve this equation for n , s=a(1-rn)/1-r
4 years ago
Answered By Hamid Z
1-rn