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Question

The discriminant of the quadratic equation 3x243x+4=0 is

A
D=4
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B
D=2
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C
D=0
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D
D=96
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Solution

The correct option is C D=0
Given,
3x243x+4=0
Comparing the equation with ax2+bx+c=0, we get
a=3,b=43,c=4
We know the discriminant is
D=b24acD=(43)24×3×4D=0

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