Chapter 4, Problem 27RE

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Part c) the exact fraction after multiplying out

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MAT441 CALCULUS II - PROJECT #4 Exercise 3 Find the derivative of tanh¹(y) = 3x3³- In(yr²) with respect to x. Answer.

· Use the definition of the derivative of complex function to show that f(2) is not dif- ferentiable at z = 0 where 3, if z + 0; f(z) = 0, if z = 0.

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