Question

For what values of k the roots of a quadratic equation kx(x-2√5)+10=0 are equal

Answer 1

Hy
Given
Quadratic eqn

Kx(x-2√5)+10=0

Kx sq - 2√5kx +10=0

For equal roots

B sq =4AC

(-2√5k)sq =4.k.10

4.5k sq = 40k

Ie k=2 Ans

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