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Question
State whether true or false in the following:
`sqrt(9) - sqrt(4) = sqrt(5)`
True or False
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Solution
This statement is false.
Explanation:
Step-by-step:
- `sqrt(9) = 3`
- `sqrt(4) = 2`
So, 3 – 2 = 1 but `sqrt(5) ≈ 2.236`
`1 ≠ sqrt(5)`
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Chapter 1: Rational and Irrational Numbers - EXERCISE 1B [Page 11]
