Question

Find the value of k for which kx(x-2)+6 0 has equal roots.
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Answer 1

Answer:

Kx^2-2kx +6=0

Equal roots implies that D=0

This implies that b^2-4ac=0

(-2k)^2 -24k=0

4k^2-24k=0

4k(k-6)=0

4k=0

This implies that k=0

And k-6=0

This implies that k=6

So,k=0,6