Question

if 1/2 is a root of the equation X2+KX -5/4 = 0, then the value of K is

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Answer 1

Answer:

Step-by-step explanation:

Put x=1/2 in equation

x2 +kx-5/4=0

=(1/2)^2 + k(2)-5/4=0

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

=2k -4/4=0

=2k -1 =0

=k =1/2

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