Question: f(r) = In(4r sin r) %3D (1) (4 sin r + 4.x cos r) (2) %3D 4 sin x + 4.x cos x (3)

f(r) = In(4r sin r) %3D (1) (4 sin r + 4.x

f(r) = In(4r sin r) %3D (1) (4 sin r + 4.x cos r) (2) %3D 4 sin x + 4.x cos x (3) In the above differentiation: (a) which line is incorrect? (b) How would you fix the work so it is correct?

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