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Deepak Bora
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Asked: 2020-07-10T20:11:34+05:30 In:

Quadratic equations : If x = 3 , is a solution of the quadratic equation 3x²+ 2kx – 3 = 0, find the value of k.

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If x = 3 , is a solution of the quadratic equation 3x²+ 2kx – 3 = 0, find the value of k.

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      If x=3 is the solution for the quadratic equations 3x²+2kx-3=0

      ∴ value of x must satisfy this equation,

      Substituting the value of x

      3(3)²+2k(3)-3=0

      27+6k-3=0

      6k+24=0

      ∴ k= -4

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