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| 1. |
Find derivative of (x-a)(x-b) |
| Answer» Here f (x) = (x - a)(x - b){tex}\\therefore \\;f{\\text{\'}}(x) = \\frac{d}{{dx}}(x - a)(x - b){/tex}{tex} = (x - a)\\frac{d}{{dx}}(x - b) + (x - b)\\frac{d}{{dx}}(x - a){/tex}= (x - a) × 1 + (x - b) × 1= x - a + x - b = 2x - a - b | |