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naomicervero
04.10.2021 •
Mathematics
For what values of x does the following expression √x-1 + √5-x make sense?
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Ответ:
Either x = 1 or x = 5
Step-by-step explanation:
![{ \tt{ \sqrt{x - 1} + \sqrt{5 - x} }}](/tpl/images/2489/7221/54594.png)
for x = 1![= { \tt{ \sqrt{1 - 1} + \sqrt{5 - 1} }} \\ = { \tt{2}}](/tpl/images/2489/7221/38887.png)
for x = 5Ответ: