1/(5-2√6)=?
Select the correct option:
A) 9+4√5	B) 9-4√5	C) 9+2√5	D) 9-2√5	E) 5+2√6
This question requires us to rationalize (fix) the denominator.   For more on this technique, seehttps://www.gmatprepnow.com/module/gmat ... video/1044   Given: 1/(5-2√6)   Multiply top and bottom by the CONJUGAT5+2√6 of 5-2√6, which is 5+2√6   5+2√6
<result>E</result>
1/(5-2√6)=?