3/(7n-49)

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Solution for 3/(7n-49) equation: 


D( n )

7*n-49 = 0

7*n-49 = 0

7*n-49 = 0

7*n-49 = 0 // + 49

7*n = 49 // : 7

n = 49/7

n = 7

n in (-oo:7) U (7:+oo)

3/(7*n-49) = 0

3 = 0

n belongs to the empty set

n belongs to the empty set

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