How is the following solved? Is there reciprocation?

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How is the following solved? Is there reciprocation?

$(\frac{a}{b} + \frac{c}{d}) \div (\frac{a}{b} - \frac{c}{d})$ $(a/b+c/d) divide (a/b-c/d)$

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Answer 1 · 2018-05-11T10:07:26

$\frac{a d + b c}{a d - b c}$ $(ad+bc)/(ad-bc)$

Explanation:

$simplify each factor$ $"simplify each factor"$

$\Rightarrow \frac{a d + b c}{b d} and \frac{a d - b c}{b d}$ $rArr(ad+bc)/(bd)" and "(ad-bc)/(bd)$

$change ÷ to × and invert second fraction$ $"change "-:" to "xx" and invert second fraction"$

$rArr(ad+bc)/cancel(bd)xxcancel(bd)/(ad-bc)=(ad+bc)/(ad-bc)$

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How is the following solved? Is there reciprocation?

$(\frac{a}{b} + \frac{c}{d}) \div (\frac{a}{b} - \frac{c}{d})$ $(a/b+c/d) divide (a/b-c/d)$

1 Answer

Explanation:

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Impact of this question

Science

Math

Humanities

... and beyond

How is the following solved? Is there reciprocation?

(a/b+c/d) divide (a/b-c/d) (ab+cd)÷(ab−cd)(a/b+c/d) divide (a/b-c/d)

1 Answer

Explanation:

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Impact of this question

$(\frac{a}{b} + \frac{c}{d}) \div (\frac{a}{b} - \frac{c}{d})$ $(a/b+c/d) divide (a/b-c/d)$