Question
Download Solution PDFComprehension
What is f’(x) equal to when x > 1?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFCalculation:
f(x) = (|x| - |x – 1|) 2 when x > 1
For x > 1, |x| = x
For x > 1, |x - 1| = (x - 1)
∴ f(x) = (x - ((x - 1)))2
⇒ f(x) = (x - x + 1)2
⇒ f(x) = (1)2
⇒ f(x) = 1
Now, f’(x) = 0
Hence, option (1) is correct.
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