SOLUTION: Okay I have two questions (5 +2 rad 3) squared. And another question is 5 over 2- rad 5. PLEASE help!!! I have a huge test tomorrow!!!!
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-> SOLUTION: Okay I have two questions (5 +2 rad 3) squared. And another question is 5 over 2- rad 5. PLEASE help!!! I have a huge test tomorrow!!!!
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Question 301198: Okay I have two questions (5 +2 rad 3) squared. And another question is 5 over 2- rad 5. PLEASE help!!! I have a huge test tomorrow!!!! Answer by Alan3354(69443) (Show Source):
You can put this solution on YOUR website! Okay I have two questions (5 +2 rad 3) squared.
Multiply it same as any binomial squared:
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And another question is 5 over 2- rad 5
You didn't say, but usually the object is to get the radicals out of the denominator.
Multiply NUM and DEN by the conjugate of the DEN (2 + sqrt(5))
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