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Q1. (i) Express the following functions e.g u=f(l,m) in differential form u = 1 - m (ii) = (a, b) o - da (a=ao+da,b=bo)

Q1. (i) Express the following functions e.g u=f(l,m) in differential form u = 1 - m (ii) = (a, b) o - da (a=ao+da,b=bo) da (a-ao,b-bo) w = f(u) du2 (u=uo+du) -|(u=uo) du (a) (b) d w du

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