1368=22/7(r)^2

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Solution for 1368=22/7(r)^2 equation: 


r in (-oo:+oo)

1368 = (22/7)*r^2 // - (22/7)*r^2

1368-((22/7)*r^2) = 0

(-22/7)*r^2+1368 = 0

-22/7*r^2 = -1368 // : -22/7

r^2 = 4788/11

r^2 = 4788/11 // ^ 1/2

abs(r) = (4788/11)^(1/2)

r = (4788/11)^(1/2) or r = -(4788/11)^(1/2)

r in { (4788/11)^(1/2), -(4788/11)^(1/2) }

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