Question 4. Prove that for any x, y ≥ 0, we have |√x - √| ≤ √√x - y. (Hint. Consider the cases x≤y and y ≤ xa separately.)

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Question 4. Prove that for any x, y ≥ 0, we have |√x - √ÿ| ≤ √√|x − y]. (Hint. Consider the cases
x ≤y and y ≤ x separately.)
Transcribed Image Text:Question 4. Prove that for any x, y ≥ 0, we have |√x - √ÿ| ≤ √√|x − y]. (Hint. Consider the cases x ≤y and y ≤ x separately.)
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