SOLUTION: How do I perform this operation? 4 / [sqrt(11) + sqrt(3)] – 2 / [sqrt(11) – sqrt(3)]

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Question 311616: How do I perform this operation?
4 / [sqrt(11) + sqrt(3)] – 2 / [sqrt(11) – sqrt(3)]
Answer by mananth(16946) About Me  (Show Source):
You can put this solution on YOUR website!
4 / [sqrt(11) + sqrt(3)] – 2 / [sqrt(11) – sqrt(3)]
..
LCM = [sqrt(11) + sqrt(3)][sqrt(11) – sqrt(3)]
4[sqrt(11)–sqrt(3)]-2[sqrt(11+ sqrt(3)] / [sqrt(11+ sqrt(3)][sqrt(11) - sqrt(3)]
4sqrt11-2sqrt11-4sqrt3-2sqrt3 /sqrt11 ^2 - sqrt3^2
2sqrt11-6sqrt3 /11-3
2(sqrt11-3sqrt3)/8
1/4 *(sqrt11-3sqrt3)