if 1/2 is a root of the equation x2+kx-5/4=0,then the value of k is
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Step-by-step explanation:
There ya go. the ans is abv
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Answered by
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Answer:
k=2
Step-by-step explanation:
x²+kx-5/4=0
root of the equation is given as ½
x=½
=>(½)²+k×½-5/4=0
=>¼+k/2-5/4=0
=>¼-5/4+k/2=0
=>-1+k/2=0
=>k/2=1
=>k=2
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