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Question

The equation whose roots are negative of the roots of the equation 2x2+3x4=0 is

A
4x23x+2=0
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B
2x2+3x4=0
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C
2x23x+4=0
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D
2x2+3x+4=0
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Solution

The correct option is D 2x2+3x+4=0
2x2+3x4=0
Replace x by x,
2x23x4=0
2x2+3x+4=0

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