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If a is positive and if A and G are the...

If a is positive and if A and G are the arithmetic mean and the geometric mean of the roots of `x^(2)-2ax+a^(2)=0` respectively , then a)`A=G` b)`A=2G` c)`2A=G` d)`A^(2)=G`

A

`A=G`

B

`A=2G`

C

`2A=G`

D

`A^(2)=G`

Text Solution

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The correct Answer is:
A
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