Mathematics, 03.07.2019 22:30 foxesforlife45
Find the value for the variable that makes the expression undifined. x2 -9 x2-7x+10
Answers: 1
![\bf x^2-7x+10=0\implies (x-2)(x-5)=0\implies x= \begin{cases} 2\\ 5 \end{cases} \\\\[-0.35em] ~\dotfill\\\\ \cfrac{(2)^2-9}{(2)^2-7(2)+10}\implies \cfrac{-5}{-10+10}\implies \cfrac{-5}{0}\leftarrow und efined \\\\\\ \cfrac{(5)^2-9}{(5)^2-7(5)+10}\implies \cfrac{16}{-10+10}\implies \cfrac{16}{0}\leftarrow und efined](/tpl/images/0047/9800/dfa8f.png)
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Find the value for the variable that makes the expression undifined. x2 -9 x2-7x+10...
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