SOLUTION: If the arithmetic mean of x^1/2 and x^1/4 is 6 . then x is equal to A 64 b 81 c 144 d 256 e none of these

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Question 280306: If the arithmetic mean of x^1/2 and x^1/4 is 6 . then x is equal to
A 64 b 81 c 144 d 256 e none of these

Found 2 solutions by pandion, Alan3354:
Answer by pandion(6)   (Show Source): You can put this solution on YOUR website!
none of these
Answer by Alan3354(69443)   (Show Source): You can put this solution on YOUR website!
If the arithmetic mean of x^1/2 and x^1/4 is 6 . then x is equal to
A 64 b 81 c 144 d 256 e none of these
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12/2 = 6 so b fits
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12/2 = 6 so d fits

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