Rationalizing fractions with multiple radicals I am having trouble

monkeyman130yb

monkeyman130yb

Answered question

2022-04-01

Rationalizing fractions with multiple radicals
I am having trouble rationalizing 222
I have tried multiplying the fraction by 2+2 and got 22+22 am not sure if that is correct or not but I then multiplied by 2 but got stuck...
Assuming that I did the problem correctly so far, how would I multiply 22+2 with 2

Answer & Explanation

haiguetenteme7zyu

haiguetenteme7zyu

Beginner2022-04-02Added 13 answers

Instead of multiplying top and bottom by 2 note that 2=(2)2, so that
22+22=22+2=4+22.

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