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In $3-41$ , express each product in simplest form. Variables in the radicand with an even index are non-negative.$$\sqrt{21} \cdot \sqrt{\frac{4}{3}}$$

$2\sqrt{7}$

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Chapter 3

REAL NUMBERS AND RADICALS

Section 5

Multiplying Radicals

Whole which of Numbers

Fractions and Mixed Numbers

Decimals

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In $3-41$ , express each p…

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So we have to square in 21 something spirit of 4/3. So one thing I noticed automatically is that if we split apart our second square root, so have a scary to four. On top of spirit of three, we can simplify our numerator. But I also noticed that three is a factor. 21 focus put apart our 21 We have skirted three times square to seven. So I'm screwed of four over square 23 Another square root of four is too. So we have three times. We're seven times to over Route three. And since the rules applying, we can cancel this out with our three on the bottom, they'll have to say I was a spirit of seven.

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The number 2 is also the smallest & first prime number (since every other even number is divisible by two).

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