Mathematics, 04.07.2019 06:00 avillarreal332
What does this value refers to? and pls explains what "-" refers to? is it telling that the whole fraction is negative? or is it telling that the numerator/denominator is negative? tysm!
Answers: 1
![\bf -\cfrac{a}{b}= \begin{cases} \cfrac{-a}{b}\\[2em] \cfrac{a}{-b} \end{cases}\qquad \qquad \textit{so for example}\qquad -\cfrac{2x+3y-z}{3} \\\\\\ \cfrac{-(2x+3y-z)}{3}\implies \cfrac{-2x-3y+z}{3} \qquad or \qquad \cfrac{2x+3y-z}{-3}](/tpl/images/0049/1425/ccfb8.png)
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What does this value refers to? and pls explains what "-" refers to? is it telling that the whole f...
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