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# If X = 3 is One Root of the Quadratic Equation X2 – 2kx – 6 = 0, Then Find the Value of K. - CBSE Class 10 - Mathematics

ConceptPolynomials Examples and Solutions

#### Question

If x = 3 is one root of the quadratic equation x2 – 2kx – 6 = 0, then find the value of k.

#### Solution

If x = 3 is a root of the quadratic equation x2 − 2kx ​− 6 = 0, then it will satisfy the given equation.

=> 3^2 - 2k(3) - 6 = 0

=> k = 1/2

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Solution If X = 3 is One Root of the Quadratic Equation X2 – 2kx – 6 = 0, Then Find the Value of K. Concept: Polynomials Examples and Solutions.
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