Processing Math: Done
Solution 1.2:4b
From Förberedande kurs i matematik 1
Multiply top and bottom of the double fraction by the reciprocal of the denominator,
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The numerator and denominator on the right-hand side do not have a common factor, so the answer is
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Note: It is also possible to learn a quick formula for double fractions which says that when the expression is rewritten with just one fraction sign, the denominators in the partial fractions change place,
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