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Find the roots of the following quadratic equations by factorisation:
$2x^2 – x + \frac{1}{8} = 0$
Given:
$2x^2 – x + \frac{1}{8} = 0$
To do:
We have to find the roots of the given quadratic equation.
Solution:
$2x^2 – x + \frac{1}{8} = 0$
$\frac{8(2x^2)-8(x)+1}{8}=0$
$16x^2-8x+1=0(8)$
$16x^2-8x+1=0$
$16x^2-4x-4x+1=0$
$4x(4x-1)-1(4x-1)=0$
$(4x-1)(4x-1)=0$
$4x-1=0$ or $4x-1=0$
$4x=1$ or $4x=1$
$x=\frac{1}{4}$ or $x=\frac{1}{4}$
Hence, the roots of the given quadratic equation are $\frac{1}{4}$ and $\frac{1}{4}$.
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