find the 10th and 20th terms of the GP with first term 3 and common ratio 2
Answers
Answered by
10
Answer:
given
1 st term a1=a=3
command ratio=2
10 th term=ar^9=3×2^9=3×512=1536
20 th term =ar^19=3×2^19=524288×3=1572 864
Answered by
1
g.p=a'n=ar^n-1
a'10=3(2)^10-1=1536
a'20=3(2)^20-10=1572864
a'10=3(2)^10-1=1536
a'20=3(2)^20-10=1572864
Similar questions