English

If `X=-1/2` is a Solution of the Quadratic Equation `3x^2+2kx-3=0` Find the Value of K. - Mathematics

Advertisements
Advertisements

Question

If `x=-1/2` is a solution of the quadratic equation  `3x^2+2kx-3=0` 

Find the value of k. 

Solution

It is given that x=`-1/2`  is a solution of the quadratic equation  `3x^2+2kx-3=0` 

∴` 3x((-1)/2)^2+2kxx((-1)/2)-3=0` 

⇒`3/4-k-3=0` 

⇒` k=(3-12)/4=9/4` 

Hence, the value of k is `-9/4` 

shaalaa.com
  Is there an error in this question or solution?
Chapter 10: Quadratic Equations - Exercises 6

APPEARS IN

RS Aggarwal Mathematics [English] Class 10
Chapter 10 Quadratic Equations
Exercises 6 | Q 35

Video TutorialsVIEW ALL [1]

Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×