4) If x = 3 is a root of the equation, kr^2 - 10x + 3 =0 then find' k'
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Step-by-step explanation:
kx²-10x+3=0
{x=3}
=> k(3)²-10(2)+3=3
=> 9k-20+3=3
=> 9k-17=3
=> 9k =3+17
=> 9k= 20
=> k =20/9
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