(3/a)/(7/a^2)

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Solution for (3/a)/(7/a^2) equation: 


D( a )

a^2 = 0

a = 0

7/(a^2) = 0

a^2 = 0

a^2 = 0

1*a^2 = 0 // : 1

a^2 = 0

a = 0

a = 0

a = 0

7/(a^2) = 0

7/(a^2) = 0

7*a^-2 = 0 // : 7

a^-2 = 0

a należy do O

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

(3/a)/(7/(a^2)) = 0

3/7*a = 0 // : 3/7

a = 0

a in { 0} 

a belongs to the empty set

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