Asked by Aderounmu Oluwadarasimi Faith
The fifth term of an exponential sequence (G.P) is greater than the third by 9 .find
a. The common ratio
b. First term
a. The common ratio
b. First term
Answers
Answered by
oobleck
ar^4 = ar^3 + 9
No way to find both a and r from this.
However, if you meant "greater by a factor of 9" then
r^2 = 9
r = ±3
and you can now find a.
No way to find both a and r from this.
However, if you meant "greater by a factor of 9" then
r^2 = 9
r = ±3
and you can now find a.
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