SOLUTION: determine the reciprocal of 1 over f plus 1 over g 1/f + 1/g. for what values of f and g is the reciprocal defined?

Question 220242: determine the reciprocal of 1 over f plus 1 over g
1/f + 1/g.
for what values of f and g is the reciprocal defined?
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
Note: or

Start with the given expression.

Multiply the first fraction by

Multiply the second fraction by

Combine the fractions.

Take the reciprocal of the fraction.

Since (to avoid dividing by zero), this means .

So the reciprocal of is defined whenever .
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