SOLUTION: What is the geometric mean of: a and 4a?
What is the geometric mean of: 2a and 4a?
Algebra.Com
Question 420631: What is the geometric mean of: a and 4a?
What is the geometric mean of: 2a and 4a?
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
What is the geometric mean of: a and 4a?
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Solve for "x":
a/x = x/4a
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x^2 = 4a^2
x = 2a
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What is the geometric mean of: 2a and 4a?
Solve for "x":
2a/x = x/4a
x^2 = 8a^2
x = 2a*sqrt(2)
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Cheers,
Stan H.
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