Question

rationalize it
7/2
√3+√5 ​

Answer 1

given;

7

________

2√3+√5

7 ×(2√3-√5)

____________

(2√3+√5)×(2√3-√5)

14√3-7√5

______________

(2√3)^2-(√5)^2

14√3-7√5

_______________

12-5

14√3-7√5

__________

7

7(2√3-√5)

__________

7

===== 2√3-√5