20/f=20

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Solution for 20/f=20 equation: 


D( f )

f = 0

f = 0

f = 0

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

20/f = 20 // - 20

20/f-20 = 0

20*f^-1 = 20 // : 20

f^-1 = 1

-1 < 0

1/(f^1) = 1 // * f^1

1 = 1*f^1 // : 1

1 = f^1

f = 1

f = 1

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