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Choose the correct option.
The value of if at is
The value of $\frac{dy}{dx}$ if $y = |x-1| + |x-4|$ at $x = 3$ is
- (a)-2
- (b)0
- (c)2
- (d)4
Answer
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From ISC 2025 Specimen Mathematics Paper 1, question 1(viii).