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snow_lady [41]
3 years ago
10

Which expression is equivalent to the following complex fraction?

Mathematics
2 answers:
jekas [21]3 years ago
3 0

Answer: last option.

Step-by-step explanation:

- Subtract the fractions that are in the numerator.

- Add the  fractions that are in the denominator.

Then:

\frac{\frac{1}{x}-\frac{1}{y}}{\frac{1}{x}+\frac{1}{y}}=\frac{\frac{y-x}{xy}}{\frac{y+x}{xy}}

- Multiply the numerator of the fraction on the top by the denomianator of the fraction on the bottom.

- Simplify.

Then:

=\frac{(y-x)(xy)}{(y+x)(xy)}=\frac{(y-x)}{(y+x)}

tatiyna3 years ago
3 0

Answer:

The correct answer is last option

Step-by-step explanation:

It is given that,

(1/x - 1/y)/(1/x +1/y)

<u>To simplify (1/x - 1/y)</u>

1/x - 1/y = (y - x)/xy

<u>To simplify (1/x - 1/y)</u>

1/x + 1/y = (y + x)/xy

To find equivalent expression

(1/x - 1/y)/(1/x +1/y = [(y - x)/xy]/[(y + x)/xy]

 = (y - x)*xy/(y +x)*xy = (y - x)/(y + x)

Therefore the correct answer is last option

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