Concept explainers
Describe the error shown in smplifying the radical expression shown below.
Answer to Problem 35MCQ
The error is in second step where 9 will be replaced by 3. And the correct error free radical expression is
Explanation of Solution
Given information: The given radical expression is,
Calculation: From the radical expression (1), the first step has no error whereas in second step at place of 9 there should be 3 because the square-root of 9 is 3. Hence the error free radical expression is written as,
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