21=14/(2/w)

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Solution for 21=14/(2/w) equation: 


D( w )

2/w = 0

w = 0

2/w = 0

2/w = 0

2*w^-1 = 0 // : 2

w^-1 = 0

w naleu017Cy do O

w = 0

w = 0

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

21 = 14/(2/w) // - 14/(2/w)

21-(14/(2/w)) = 0

21-7*w = 0

21-7*w = 0 // - 21

-7*w = -21 // : -7

w = -21/(-7)

w = 3

w = 3

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