Math, asked by harshitkadyan, 9 months ago

If 1/2 is a root of the equation.
x2+Kx-5/2=0 then the value & k is

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Answered by Anonymous

5

Answer:

The answer is in the photo

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Answered by Ak4

1

Answer:

put x = 1/2 in the equation

(1/2)^2 + k×(1/2) - 5/2 = 0

1/4 + k/2 - 5/2 = 0

k/2 = 5/2 - 1/4

k = 10/2 - 2/4 = 5 - .5 = 4.5

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