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Let b be a non-zero real number. Suppose...

Let b be a non-zero real number. Suppose the quadratic equation `2x^2+bx+1/b`= 0 has two distinct real roots. Then

A

`b+1/bgt5/2`

B

`b+1/blt5/2`

C

`b^2-3bgt-2`

D

`b^2+1/b^2lt4`

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