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Choose the correct alternative from those given below each question:
What is the value okf K, if one root of the quadratic equation
`kx^2-7x+12=0 `is 3 ?

A

1

B

-1

C

3

D

-3

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NAVNEET PUBLICATION-QUADRATIC EQUATION-EXERCISE
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  2. If alpha, beta are roots of qadratics equation then for which of the f...

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