Find k
if 3x - 2 is zero of polynomial 4x^2-Kx+2
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Answer:
6
Step-by-step explanation:
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Step-by-step explanation:
remainder theorem states that the remainder left when p(x) is divided by another polynomial g(x) is p[ zero of g(x) ] and if g(x) is factor of p (x) then the remainder is 0
so zero of 3x-2 :
3x-2=0
x=2/3
applying this value in the first polynomial we get
4 (2/3)^2 - k (2/3)+2 =0
16/9 -2k/3 +2=0
k=36/6
k= 6
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