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If roots of x^2-(a-3)x+a=0 are such that...

If roots of `x^2-(a-3)x+a=0` are such that at least one of them is greater than 2, then a. `a in [7,9]` b. `a in [7,oo]` c. `a in [9,oo)` d. `a in [7,9]`

A

` a in [ 7,9]`

B

`a in [ 7,oo)`

C

`a in [9,10)`

D

`[7,9)`

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The correct Answer is:
C
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