find k if one root of quadratic eqn kx square -3×-1=0 is 1/2
amanrocks2003:
Plz write the equation
kX square- 3X-1 =0 X=1/2 then find k
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Answer is 10
thanks but can u plz send me explanation
See the second attachment
thank u
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U r in which class
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10th & u
10th
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kx^2-3×-1=0
kx^2-3=0
kx^2=3
kx=/3
kx^2-3=0
kx^2=3
kx=/3
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