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The values of a for which the equation 2...

The values of a for which the equation `2x^(2) -2(2a+1) x+a(a+1) = 0` may have one root less them a and other root greater than a are given by

A

`1 gt a gt 0`

B

`-1 lt a lt 0`

C

`a ge 0`

D

`a gt 0 or a lt-1`

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