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.5/2C=2.5C
We move all terms to the left:
.5/2C-(2.5C)=0
Domain of the equation: 2C!=0We add all the numbers together, and all the variables
C!=0/2
C!=0
C∈R
.5/2C-(+2.5C)=0
We get rid of parentheses
.5/2C-2.5C=0
We multiply all the terms by the denominator
-(2.5C)*2C+.5=0
We add all the numbers together, and all the variables
-(+2.5C)*2C+.5=0
We add all the numbers together, and all the variables
-(+2.5C)*2C+0.5=0
We multiply parentheses
-4C^2+0.5=0
a = -4; b = 0; c = +0.5;
Δ = b2-4ac
Δ = 02-4·(-4)·0.5
Δ = 8
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:$C_{1}=\frac{-b-\sqrt{\Delta}}{2a}$$C_{2}=\frac{-b+\sqrt{\Delta}}{2a}$
The end solution:
$\sqrt{\Delta}=\sqrt{8}=\sqrt{4*2}=\sqrt{4}*\sqrt{2}=2\sqrt{2}$$C_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(0)-2\sqrt{2}}{2*-4}=\frac{0-2\sqrt{2}}{-8} =-\frac{2\sqrt{2}}{-8} =-\frac{\sqrt{2}}{-4} $$C_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(0)+2\sqrt{2}}{2*-4}=\frac{0+2\sqrt{2}}{-8} =\frac{2\sqrt{2}}{-8} =\frac{\sqrt{2}}{-4} $
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