Use De Moivre's Theorem to Change the Given Complex Number

question 94

Multiple Choice

Use De Moivre's theorem to change the given complex number to the form , where and are real numbers.

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Definitions:

Buffers

Substances that minimize changes in the pH of a solution by absorbing or releasing hydrogen ions.

pH

A logarithmic scale used to specify the acidity or basicity of an aqueous solution, ranging from 0 (very acidic) to 14 (very basic) with 7 being neutral.

Hydrogen Ions

Positively charged ions (H+) that contribute to acidity or alkalinity of solutions and play critical roles in many biological processes.

Primary Structure

The linear sequence of amino acids in a protein, determining its shape and function through various types of chemical bonds.