Question

If one root of the equation x2 + kn = 0 is ( -4 ) then from nf the value of k

Answer 1

Step-by-step explanation:

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Answer 2

The value of k will be "k=4". Further explanation is given below.

Step-by-step explanation:

According to the question, the one root of the equation is "-4" i.e., x

Given equation is:

x²+kx=0

On putting the value of the "x" in the above equation, we get

(-4)²+k(-4)=0

(-4)×(-4)+(-4k)=0

16-4k=0

16=4k

$\frac{16}{4}$=k

k=4

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