if 1/2 is a root of equation x^2+kx-5/x then value of k
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Answer:
9/2
Step-by-step explanation:
substitute 1/2 in the equation
(1/2)^2+k(1/2)_5/(1/2)=0
(1/4)+k/2_5/2=0
Taking 2 common;
2(1/2+k_5)=0
1/2+k_5=0
1+2k_10=0
2k=9
k=9/2
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