SOLUTION: rationalize 1 ___________ ___ 2 + sqrt 11 thanks for your help

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Question 379013: rationalize
1
_______________
2 + sqrt 11
thanks for your help
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!


Hi,

rationalizing

1%2F%282+%2B+sqrt%2811%29++%29  Multiplying numerator & denominator by %282+-+sqrt%2811%29%29

%282+-+sqrt%2811%29%29 / %282+%2B+sqrt%2811%29%29%2A%282+-+sqrt%2811%29%29

%282+-+sqrt%2811%29%29 / (4 - 11)

-1%2A%282+-+sqrt%2811%29%29 /7

sqrt%2811%29-2%29 /7