how to rationalize when there are three numbers (one real number and two irrational number, ie, two terms with root) in the denominator
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Why do we rationalize 12√ by multiplying by 2√2√ to get the answer 2√2 ?
The simple answer is that it is SIMPLER to have the square root in the numerator.
It is simpler to divide 1.4142136 by 2
than it is to divide 1 by 1.4142136
We get the same answer either way.
Imagine the old days, before calculators? If you needed a decimal answer, which one would you use?
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