27/n=10/1n

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Solution for 27/n=10/1n equation: 


D( n )

n = 0

n = 0

n = 0

n in (-oo:0) U (0:+oo)

27/n = (10/1)*n // - (10/1)*n

27/n-((10/1)*n) = 0

27/n-10*n = 0

27*n^-1-10*n^1 = 0

(27*n^0-10*n^2)/(n^1) = 0 // * n^2

n^1*(27*n^0-10*n^2) = 0

n^1

27-10*n^2 = 0

27-10*n^2 = 0

DELTA = 0^2-(-10*4*27)

DELTA = 1080

DELTA > 0

n = (1080^(1/2)+0)/(-10*2) or n = (0-1080^(1/2))/(-10*2)

n = (-3*30^(1/2))/10 or n = (3*30^(1/2))/10

n in { (-3*30^(1/2))/10, (3*30^(1/2))/10} 

n in { (-3*30^(1/2))/10, (3*30^(1/2))/10 }

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