Question

If x=3 is one root of the quadratic equation x2-2k-6=0,then find the value of k

Answer 1

hope this helps you...

Answer 2

ANSWER:
x=3
is root .then,

x^2-2k-6=0
3^2-2k-6=0
9-2k-6=0
2k=3
k=3/2
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Hope it helps you.

@adharsh26