If x=-1/2_is a solution of the quadratic equation 3x×x+2kx_3=0,find the value of k.
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heya folk !!
zero of polynomial =-1/2
so,p(-1/2) =3x^2+2kx-3
=)p(-1/2)=3*(-1/2)^2+2*(-1/2)*k-3
=) 3/4-1k-3
=)k=-3+3/4
=)-k=-9/4
=)k=-9/4
hope it help you
@rajukumar
zero of polynomial =-1/2
so,p(-1/2) =3x^2+2kx-3
=)p(-1/2)=3*(-1/2)^2+2*(-1/2)*k-3
=) 3/4-1k-3
=)k=-3+3/4
=)-k=-9/4
=)k=-9/4
hope it help you
@rajukumar
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