Question

Find K , if X =3 is solution of polynomial given below :
Ks^2-3x+k

Answer 1

Step-by-step explanation:

$x = 3 \\ = > k {x}^{2} - 3x + k \\ = > k {x}^{2} + k - 3x \\ = > k {3}^{2} + k - 3(3) \\ = > 9k + k - 9 \\ = > 10k - 9 \\ = > 10k = 9 \\ = > k = \frac{9}{10}$

hope this will help you

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