Find the number of terms in the following G.P.
4,8,16,…,8192
Answers
Answered by
44
Answer:
Step-by-step explanation:
G.P : 4,8,16,...,8192
a = 4
r = 8/4 = 2
Tn = 8192
ar^(n-1) = 8192
4* 2^(n-1) = 8192
2^(n-1) = 8192/4
2^(n-1) = 2048
2^(n-1) = 2^11
If bases are equal powers are also equal.
n -1 = 11
n = 11+1
n = 12
Hope my answer helps you.... :)
Answered by
10
Answer:
Step-by-step explanation:
G.P : 4,8,16,...,8192
a = 4
r = 8/4 = 2
Tn = 8192
ar^(n-1) = 8192
4* 2^(n-1) = 8192
2^(n-1) = 8192/4
2^(n-1) = 2048
2^(n-1) = 2^11
If bases are equal powers are also equal.
n -1 = 11
n = 11+1
n = 12
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