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Let two numbers have arithmetic mean 9 a...

Let two numbers have arithmetic mean 9 and geometric mean 4. Then these numbers are the roots of the equation `:`

A

`x^(2)-8 x-16=0`

B

`x^(2)-18 x+16=0`

C

`x^(2)+18 x-16=0`

D

`x^(2)+18 x+16=0`

Text Solution

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The correct Answer is:
B
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