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select section below... |
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RATIONALIZING
THE DENOMINATOR |
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Now let’s look at:
Again
ask yourself what can you multiply by:
so that the denominator does not have a radical sign. This
time you must think about the difference of two squares i.e. a2 – b2
= (a + b)(a- b). That concept works here.
Click on the Solution button to see the answer. |
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