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mariehart3097
04.09.2019 •
Mathematics
Rationalize the numerator of the expression
![\frac{ \sqrt{x + 4} - \sqrt{x} }{4}](/tex.php?f= \frac{ \sqrt{x + 4} - \sqrt{x} }{4} )
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Ответ:
Ответ:
then we can write an equation
5=2x+1
2x=4,
x=2