✅![\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
Another question on Mathematics
Mathematics, 21.06.2019 19:20
Brainliest ! which of the coordinates are not of th vertices of the feasible region for the system of inequalities y≤4,,x≤5,x+y> 6 a(2,4) b(0,6) c(5,4) d(5,1)
Answers: 2
Mathematics, 22.06.2019 01:00
Jack is considering a list of features and fees for current bank: jack plans on using network atms about 4 times per month. what would be jack’s total estimated annual fees for a checking account with direct paycheck deposit, one overdraft per year, and no 2nd copies of statements? a. $44 b. $104 c. $144 d. $176
Answers: 3
Mathematics, 22.06.2019 02:20
According to the general equation for conditional probability, if p(ab) = 4/5 and p(b)= 5/6, what is p(a|b)? a. 8/9 b. 35/36 c. 24/25 d. 15/16
Answers: 2
Mathematics, 22.06.2019 04:30
Problems and applications q5 four roommates are planning to spend the weekend in their dorm room watching old movies, and they are debating how many to watch. here is their willingness to pay for each film: willingness to pay (dollars) shen antonio dmitri jake first film 10 9 8 3 second film 8 7 6 2 third film 6 5 4 1 fourth film 4 3 2 0 fifth film 2 1 0 0 within the dorm room, the showing of a movie a public good. if it costs $12 to rent a movie, the roommates should rent movies in order to maximize the total surplus. suppose the roommates choose to rent the optimal number of movies you just indicated and then split the cost of renting equally. this means that each roommate will pay $ .
Answers: 2
You know the right answer?
Questions
Biology, 16.09.2019 20:30
Mathematics, 16.09.2019 20:30
Computers and Technology, 16.09.2019 20:30
Mathematics, 16.09.2019 20:30
Geography, 16.09.2019 20:30
Mathematics, 16.09.2019 20:30
History, 16.09.2019 20:30
Mathematics, 16.09.2019 20:40
Chemistry, 16.09.2019 20:40
