Question

If x is equal to 3 is one of the root of the equation x^2-2kx-6is equal to 0 then find the value of k.

Answer 1

Hey mate...

Here's your answer...

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Refer to the attachment...✌

HOPE IT HELPS

@Rêyaañ11

Answer 2

p(x)=x²-2kx-6
g(x)=x-3
=>x=3
Put in p(x)
(3)²-2k(3)-6=0
9-6k-6=0
3-6k=0
-6k=-3
k=-3/-6
k=1/2