Math, asked by borkaraaditya1, 6 months ago

find the value of k, if one root of quadratic equation is 3. x²-kx+12=0.

Answers

Answered by bhavanaRS

5

Answer:

3²-3k+12=0

9+12-3k=0

21-3k=0

-3k=-21

k=21/3

k=7

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