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sattari [20]
4 years ago
8

Rationalize the denominator of the given expression

Mathematics
1 answer:
Grace [21]4 years ago
6 0

You multiply top and bottom of the fraction by the conjugate of 5 - √2  which is 5 + √2.   This produces a rational denominator:-

=    √7 ( 5 + √2)  /   (5 - √2)(5 + √2)

=  √7 ( 5 + √2) /   (25 -2)

=   (√7 ( 5 + √2)) / 23    answer


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Read 2 more answers
The sum of three consecutive odd integers is 207. What are the​ integers?
nikdorinn [45]
Hey!

It says that it is the sum of 3 consecutive odd integers right?

So then we give these numbers some variables to work with like so...

x = 1st number
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<u>x = 67</u><u />                     <u>x + 2 = 69</u><u />              <u /><u />   <u>x + 4 = 71
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