Write $z _ { 1 } = 2 + 2 i$

question 27

Multiple Choice

Write $z _ { 1 } = 2 + 2 i$ in polar form then find $1 / z _ { 1 }$

• A) \(\frac { 1 } { 4 } - \frac { 1 } { 4 } i\)
• B) \(\frac { 3 } { 4 } - \frac { 1 } { 4 } i\)
• C) \(\frac { 1 } { 4 } + \frac { 1 } { 4 } i\)
• D) \(- \frac { 1 } { 4 } - \frac { 1 } { 4 } i\)
• E) \(\frac { 1 } { 4 } - \frac { \sqrt { 3 } } { 4 } i\)

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Definitions:

Average Investment

An approach in accounting that calculates the mean value of various investments held by an entity over a specific period of time.

Capital Investment Analysis

The process of evaluating and comparing potential investments or projects based on their expected returns, costs, and strategic fit with the organization's objectives.

Cash Payback Method

A capital budgeting technique that calculates the length of time required to recoup the original investment through cash flows.

Cash Payback Period

A method of evaluating a capital investment proposal that focuses on the expected period of time between the date of an investment and the recovery in cash of the amount invested.