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`2x^2-x+1/8=0` - Mathematics

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Question

`2x^2-x+1/8=0` 

Solution

We Write, , `-x=-x/2-x/2` as `2x^2xx1/8=x^2/4=(-x/2)xx(-x/2)` 

`∴2x^2-x+1/8=0` 

⇒ `2x^2-x/2-x/2+1/8=0` 

⇒`2x(x-1/4)-1/2(x-1/4)=0` 

⇒`(x-1/4)(2x-1/2)=0` 

⇒`x-1/4=0 or  2x-1/2=0` 

`⇒x=1/4 or x=1/4` 

Hence, `1/4` is the repeated root of the given equation.

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Chapter 10: Quadratic Equations - Exercises 1

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RS Aggarwal Mathematics [English] Class 10
Chapter 10 Quadratic Equations
Exercises 1 | Q 36
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