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r+48/r=2
We move all terms to the left:
r+48/r-(2)=0
Domain of the equation: r!=0We multiply all the terms by the denominator
r∈R
r*r-2*r+48=0
We add all the numbers together, and all the variables
-2r+r*r+48=0
Wy multiply elements
r^2-2r+48=0
a = 1; b = -2; c = +48;
Δ = b2-4ac
Δ = -22-4·1·48
Δ = -188
Delta is less than zero, so there is no solution for the equation
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