Advertisement Remove all ads

Without Solving the Quadratic Equation 6x2 – X – 2=0, Find Whether X = 2/3 is a Solution of this Equation Or Not. - Mathematics

Sum

Without solving the quadratic equation 6x2 – x – 2=0, find whether x = 2/3 is a solution of this equation or not.

Advertisement Remove all ads

Solution

Consider the equation, 6x2 - x - 2=0

Put `x = 2/3` in LHS

LHS = `6(2/3)^2 - (2/3) -  2`

`= 24/9 -   2/3-  2`

`= (24 - 6 - 18)/9 = 0 = "RHS"`

Since LHS = RHS, Then `x = 2/3` is  a solution of the given equation

  Is there an error in this question or solution?
Advertisement Remove all ads

APPEARS IN

Selina Concise Maths Class 10 ICSE
Chapter 5 Quadratic Equations
Exercise 5 (C) | Q 26 | Page 60
Advertisement Remove all ads
Advertisement Remove all ads
Share
Notifications

View all notifications


      Forgot password?
View in app×