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What is the nature of roots of quadratic...

What is the nature of roots of quadratic equation: `9x^2-12x+4=0`? a)Real b)Equal c)Unequal d)Both a and b

A

real

B

equal

C

unequal

D

both A and B

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CHETANA PUBLICATION-Quadratic Equations-EXERCISE
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  14. Which of the following is a quadratic equation? a)5/x-3=x^2 b)x^2=9 c)...

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