Perform the Indicated Operation $\frac { 5 + 7 i } { 5 - 7 i }$

question 140

Multiple Choice

Perform the indicated operation. Write the result in the form a + bi.
- $\frac { 5 + 7 i } { 5 - 7 i }$

• A) \(- \frac { 37 } { 12 } + \frac { 35 } { 12 } \mathrm { i }\)
• B) \(1 - \frac { 35 } { 12 } \mathrm { i }\)
• C) \(- \frac { 12 } { 37 } + \frac { 35 } { 37 } \mathrm { i }\)
• D) \(1 + \frac { 35 } { 37 } \mathrm { i }\)

---

Definitions:

Units

A basic measure of the quantity of a product or service produced or sold.

Sold

The completion of a transaction where goods or services are exchanged for money.

Conversion Cost

The combined costs of direct labor and manufacturing overhead required to convert raw materials into finished products.

November

The eleventh month of the year in the Gregorian calendar, usually consisting of 30 days.