find the value of k if (x-3) is a factor of ksquarexsquare-kx-2
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here, x-3=0
x=3
then putting the value of x in equation k2x2-kx-2
k2×(3)2 - 3×k - 2=0
9k2 -3k - 2=0
9k2 -6k-3k-2=0
3k(3k-2) -1(3k-2)=0
(3k-2)(3k-1)=0
k=2/3 or k= 1/3 .
answer.
x=3
then putting the value of x in equation k2x2-kx-2
k2×(3)2 - 3×k - 2=0
9k2 -3k - 2=0
9k2 -6k-3k-2=0
3k(3k-2) -1(3k-2)=0
(3k-2)(3k-1)=0
k=2/3 or k= 1/3 .
answer.
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