Math, asked by sunny8055, 1 year ago

if x=3 is one root of the quadratic equation
 {x}^{2 -}  - 2kx - 6 = 0
then find the vali of k.​


sunny8055: sry value of k

Answers

Answered by sagarmankoti
2
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k = \frac{1}{2}
Steps in the attachment.

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Answered by Gohan2635
1

Answer:

K=1/2

Step-by-step explanation:

x^2 - 2kx - 6=0

x=3

put the value of x in equation

(3)^2 - 2k(3) - 6=0

9 - 6k -6 = 0

6k = 3

k=3/6

So, K=1/2

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