Expand, Where I $i ^ { 2 } = - 1$

question 53

Multiple Choice

Expand, where i $i ^ { 2 } = - 1$
- $$\left( \frac { 1 } { \sqrt { 2 } } + \frac { i } { \sqrt { 2 } } \right) 4$$

• A) \(1 - \mathrm { i }\)
• B) \(- 1\)
• C) 1
• D) \(1 + \mathrm { i }\)

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Definitions:

Consumer Surplus

The difference between the maximum price a consumer is willing to pay for a good or service and the actual price they do pay.

Tax

A mandatory monetary contribution or different sort of tax levied on a taxpayer by a government entity to finance government expenditure and assorted public costs.

Deadweight Loss

The loss of economic efficiency that can occur when the equilibrium for a good or service is not achieved or is distorted.

Equilibrium

An economic situation in which no individual would be better off doing something different.