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Find derivative from first principle. The answer is 0 but mine is coming 2.

Find derivative from first principle. 
The answer is 0 but mine is coming 2.

Question Image
Grade:12

1 Answers

noogler
489 Points
5 years ago
0 is right ans 
check ur ans again whether u used wrong sign like |x-1|=x-1 at x=2, |x-3|=-(x-3) at x=2

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