4/j=7

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Solution for 4/j=7 equation: 


D( j )

j = 0

j = 0

j = 0

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

4/j = 7 // - 7

4/j-7 = 0

4*j^-1 = 7 // : 4

j^-1 = 7/4

-1 < 0

1/(j^1) = 7/4 // * j^1

1 = 7/4*j^1 // : 7/4

4/7 = j^1

j = 4/7

j = 4/7

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