14/49=2/a

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Solution for 14/49=2/a equation: 


D( a )

a = 0

a = 0

a = 0

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

14/49 = 2/a // - 2/a

14/49-(2/a) = 0

14/49-2*a^-1 = 0

-2*a^-1 = -2/7 // : -2

a^-1 = 1/7

-1 < 0

1/(a^1) = 1/7 // * a^1

1 = 1/7*a^1 // : 1/7

7 = a^1

a = 7

a = 7

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