IDNStudy.com, kung saan nagtatagpo ang mga tanong at sagot. Sumali sa aming platform ng tanong at sagot upang makatanggap ng mabilis at eksaktong tugon mula sa mga propesyonal sa iba't ibang larangan.

find the sum of a geometric series whose A1 = 3 whose An = 786 , 432 and whose common ratio is 4

Sagot :

the formula for An=a1(r^n-1)
An=786,432
is in the 10th term of G.P
by getting the sum of it. this is the formula:
S=a1(r^n - 1)/r-1
substitute:
S=1048575...That's the answer..