✅![\frac{4}{ \sqrt{x} - \sqrt{x - 2} } \\\\ = \frac{4}{ \sqrt{x} - \sqrt{x - 2} } \times \frac{ \sqrt{x} + \sqrt{x - 2} }{ \sqrt{x} + \sqrt{x - 2} } \\ \\ = \frac{4( \sqrt{x}) + 4( \sqrt{x - 2} )}{( { \sqrt{x} )}^{2} - { (\sqrt{x - 2} })^{2} } \\ \\ [∵(a + b)(a - b) = {a}^{2} - {b}^{2} ] \\ \\ = \frac{4 \sqrt{x} + 4 \sqrt{x - 2} }{x - (x - 2)} \\ \\ = \frac{4 \sqrt{x} + 4 \sqrt{x - 2} }{x - x + 2} \\ \\ = \frac{4( \sqrt{x} + \sqrt{x - 2} ) }{ 2} \\ \\= 2( \sqrt{x} + \sqrt{x - 2} )](/tpl/images/1366/4281/0379e.png)
Which choice is equivalent to the fraction below when x >= 2
...
Mathematics, 08.06.2021 06:00 damientran
Which choice is equivalent to the fraction below when x >= 2
Answers: 3
Other questions on the subject: Mathematics
Mathematics, 21.06.2019 21:00, SiegeHatake4534
Rewrite the following quadratic functions in intercept or factored form. show your work. y = x^2 + 7x + 10
Answers: 2
Mathematics, 21.06.2019 21:30, billydeck30
Amachine part consists of a half sphere and a cylinder, as shown in the figure. the total volume of the part is π cubic inches.
Answers: 1
Mathematics, 21.06.2019 22:00, zurfluhe
Manuela claims that and are congruent. which statement best describes her claim? she is incorrect because the segments do not have the same orientation. she is incorrect because the segments do not have the same length. she is correct because the segments have the same length. she is correct because the segments have the same orientation.
Answers: 1
You know the right answer?
Questions in other subjects:
Mathematics, 02.12.2020 03:30
Social Studies, 02.12.2020 03:30
Social Studies, 02.12.2020 03:30
Mathematics, 02.12.2020 03:30
Mathematics, 02.12.2020 03:30
History, 02.12.2020 03:30
