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Chapter 8: Q. 1 (page 755)

In the following exercises, simplify.

鈸� 64鈸� role="math" localid="1644932848517" 鈭�81

Short Answer

Expert verified

Part (a) 鈬�64=8

Part (b)-81=-9

Step by step solution

01

 Part (a) Step 1. Given information

鈸�64

simplify the given value.

02

Step 2. Explanation

Since 82=64

鈬�64=82鈬�8

03

Step 3. part (b) Given information

鈸�鈭�81

To simplify.

04

Step 4. Explanation

Since 92=81the negative is in front of the radical sign.

localid="1644933055554" 鈬�-81=-92鈬�-9

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