Question

if 1/2 is a root of the equation X2+Kx-5/4=0 then the value of k is​

Answer 1

k=2

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Answer 2

Answer:

k=2

Step-by-step explanation:

x²+Kx-5/4=0

since 1/2 is the root

for x=1/2 value of expression=0

putting x=1/2

(1/2)²+k/2-5/4=0

k/2= 5/4-1/4

k/2=1

k=2

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