Which one is the conjugate pair of 2sqrt...

Which one is the conjugate pair of `2sqrt(5)+sqrt(3)`?

A

`-2\sqrt{5} +\sqrt{5}`

B

`-2\sqrt{5} -\sqrt{3}`

C

`2sqrt{3}-sqrt{5}`

D

`\sqrt{3} -2\sqrt{5}`

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The correct Answer is:

A

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