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Question

If G be the GM between x and y, then the value of 1G2x2+1G2y2 is equal to.

A
G2
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B
2G2
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C
1G2
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D
3G2
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Solution

The correct option is C 1G2
Given, G2=xy..(1)

1G2x2+1G2y2=1xyx2+1xyy2

=1yx(1x1y)=1xy=1G2
Hence, option 'C' is correct.

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