Find the Product $300 ^ { \circ }$ ] [5 $\left. \operatorname { cis } 120 ^ { \circ } \right]$

question 305

Multiple Choice

Find the product. Write the product in rectangular form, using exact values.
-[4 cis $300 ^ { \circ }$ ] [5 $\left. \operatorname { cis } 120 ^ { \circ } \right]$

• A) \(- 10 - 10 \sqrt { 3 } \mathrm { i }\)
• B) \(10 + 10 \sqrt { 3 } i\)
• C) \(10 \sqrt { 3 } - 10 \mathrm { i }\)
• D) \(- 10 \sqrt { 3 } + 10 \mathrm { i }\)

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Definitions:

Unsystematic Risk

The risk associated with a specific company or industry, also known as non-market risk, diversifiable risk, or idiosyncratic risk.

Total Risk

The total variability in returns of an investment, encompassing both unsystematic and systematic risk factors.

Systematic Risk

The risk inherent to the entire market or market segment, also known as non-diversifiable risk, affecting all investments to some degree.

Beta Coefficient

A parameter for assessing the fickleness, or inherent market risk, of a security or a composite of investments compared to the overall market.