3.9. (a). Prove that z is either real or purely imaginary if and only if (2)2 = 22. (b). Prove that v2|2| > |Re z|+ |Im z|. %3D
3.9. (a). Prove that z is either real or purely imaginary if and only if (2)2 = 22. (b). Prove that v2|2| > |Re z|+ |Im z|. %3D
Chapter6: Exponential And Logarithmic Functions
Section6.4: Graphs Of Logarithmic Functions
Problem 60SE: Prove the conjecture made in the previous exercise.
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