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I need to give an example of an infinite point set that does not have a limit point. I must prove this with math analysis.? F(x+iy)= ix^2. Using the def. of derivative, Calculus 3 methods, show that if Re(a) not equal = 0 then f(z) is not differentiable at z=a.? Whats the ploidy of a cell at the end of meiosis II? The derivative of e^x is e^x, so what if x was replaced with a different letter, like e^t? Is the derivative still the same? Please help with precalculus awarding best answer?