Sunday, September 30, 2012

What is m is 1/m^2 = 1/m - 1/2

Given the equation 1/m^2 = 1/m -
1/2.


We need to find the values of m that satisfies the
equation.


Let us get rid of the denominator by multiplying
by 2m^2.


==> 2m^2(1/m^2) = 2m^2(1/m) -
2m^2(1/2)


==> 2 = 2m -
m^2


Now we will combine all terms on the left
side.


==> m^2 - 2m + 2 =
0.


Now we will use the formula to solve for
m.


==> m1= ( 2 + sqrt(4-8) /
2


             =
(2+sqrt-4)/2


              = (2 +
2i)/2


                 = 1+
i


==> m2= 1-i


Then
there are no real solution for
m.


However, the equation has a complex
solution.


==> m = { 1+i,
1-i}

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