What will be the value of k, if the roots of the equation (k – 4)x2 – 2kx + (k + 5) = 0 are equal?

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answerhappygod
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What will be the value of k, if the roots of the equation (k – 4)x2 – 2kx + (k + 5) = 0 are equal?

Post by answerhappygod »

a) 18
b) 19
c) 20
d) 21
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