What will be the value of k, so that the roots of the equation are x2 + 2kx + 9 are imaginary?

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answerhappygod
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What will be the value of k, so that the roots of the equation are x2 + 2kx + 9 are imaginary?

Post by answerhappygod »

a) -5 < k < 5
b) -3 < k < 3
c) 3 < k < -3
d) -5 < k < 3
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