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Question

The roots of ax2+bx+c=0,a0 are real and unequal, if b24ac is ___________.

A
0
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B
> 0
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C
< 0
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D
None of these
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Solution

The correct option is B > 0
The roots of the equation ax2+bx+c=0 are b±b24ac2a
For the equation to have real roots,b24ac0
For the equation to have unequal roots,b24ac>0
Option B is correct.

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