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

r^(6/7) = 64

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

r^6 = 4398046511104 // ^ 1/6

abs(r) = 128

r = 128 or r = -128

r in { 128, -128 }

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