find the value of k for each of the following quadratic equations,so that they have two equal roots kx(x-2)+6=0
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Step-by-step explanation:
kx(x-2) +6=0.
kx^2-2kx+6=0 a=k, b=-2k, c=6
roots are equal b^2=4ac
(-2k)^2=4*(-2k)*6
4k^2-24k=0
4k(k-6)=0
4k=0 or k-6=0
k=0 or k=6
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