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Question

For what value of p , x=3 will be a root of the equation px2 + 2x - 3 =0


A

1/3

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B

3

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C

-3

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D

-1/3

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Solution

The correct option is D

-1/3


put x=3 in the given equation we get,

P(9)+2(3)-3=0

9p+6-3=0

p=-13


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