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(22/7)*r*r=500
We move all terms to the left:
(22/7)*r*r-(500)=0
Domain of the equation: 7)*r*r!=0We add all the numbers together, and all the variables
r!=0/1
r!=0
r∈R
(+22/7)*r*r-500=0
We multiply all the terms by the denominator
(+22-500*7)*r*r=0
We add all the numbers together, and all the variables
(-3478)*r*r=0
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