r^6/7=64

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Solution for r^6/7=64 equation: 


r in (-oo:+oo)

(r^6)/7 = 64 // - 64

(r^6)/7-64 = 0

1/7*r^6 = 64 // : 1/7

r^6 = 448

r^6 = 448 // ^ 1/6

abs(r) = 2*7^(1/6)

r = 2*7^(1/6) or r = -(2*7^(1/6))

r in { 2*7^(1/6), -(2*7^(1/6)) }

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