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- 10:48, 21 November 2021 Alexandk talk contribs created page Matrix multiplication (Created page with " Let <math> h(x) = f(x) + g(x) </math>. For all <math> x </math> near <math> a </math> we have <math> h(x) = f(x) + g(x)\approx = \left[ f(a) + f'(a) (x-a) \right] + \left[ g(...")