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If the equation x^(2)+y^(2)-10x+21=0 has...

If the equation` x^(2)+y^(2)-10x+21=0` has real roots `x=alphaandy=beta` then

A

`3lexle7`

B

`3leyle7`

C

`-2leyle2`

D

`-2lexle2`

Text Solution

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The correct Answer is:
A, C
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