SOLUTION: In the geometric sequence 3x^7, m, 12x^3, determine an expression for m.

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Question 935827: In the geometric sequence 3x^7, m, 12x^3, determine an expression for m.
Answer by josgarithmetic(39618) About Me  (Show Source):
You can put this solution on YOUR website!
COMMON RATIO!

r=%2812x%5E3%29%2Fm, r=m%2F%283x%5E7%29,


%2812x%5E3%29%2Fm=m%2F%283x%5E7%29, first find m.

m%5E2=%2812x%5E3%29%283x%5E7%29

m%5E2=2%2A2%2A3%2A3%2Ax%5E10

highlight%28m=6x%5E5%29