Question

Find k if one root of equation x< +kx-4 = 0

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Answer 1

Answer:

The correct answer is under root -2.or under root of 2 ✖ by i.

Step-by-step explanation:

put k in the given equation.

k square+k(k)+4=0

k square +k square +4=0

2 k square=-4

k sqaure=-2

taking under root on both sides, we get

k=under root of -2

k=under root of 2 ✖ i.