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If x=-1/2 is a root of …

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If x=-1/2 is a root of the quadratic equation 3x^2+2kx+3=0, find the value of k.

Posted by Priya Kumari 4 years, 11 months ago

CBSE > Class 10 > Mathematics

3 answers

Riya Rathore 4 years, 11 months ago

K=-15\4

0Thank You

Ashutosh Ranjan 4 years, 11 months ago

X ke place pe -1/2 daal do aur equate kro aa jayega

0Thank You

Gaurav Seth 4 years, 11 months ago

Putting x = (-1/2) in 3x² + 2kx - 3 = 0,

Given : If is a solution of the quadratic equation .

To find : The value of k ?

Solution :

To get the value of k substitute the value of x in the equation,

Equation

Put ,

Therefore, The value of k is or

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CBSE > Class 10 > Mathematics