33=22/7r^2

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Solution for 33=22/7r^2 equation: 


r in (-oo:+oo)

33 = (22/7)*r^2 // - (22/7)*r^2

33-((22/7)*r^2) = 0

(-22/7)*r^2+33 = 0

-22/7*r^2 = -33 // : -22/7

r^2 = 21/2

r^2 = 21/2 // ^ 1/2

abs(r) = (21/2)^(1/2)

r = (21/2)^(1/2) or r = -(21/2)^(1/2)

r in { (21/2)^(1/2), -(21/2)^(1/2) }

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