Find the Indicated Roots $- 1 - \mathrm { i }$

question 313

Multiple Choice

Find the indicated roots. Write the answer in a + bi form.
-Fifth roots of $- 1 - \mathrm { i }$

• A) \(0.76 + 0.76 i , - 0.49 + 0.95 i , 1.05 - 0.17 i , - 0.17 - 1.05 i , 0.95 - 0.49 i\)
• B) \(0.76 + 0.76 i , - 0.49 - 0.95 i , 1.05 + 0.17 i , - 0.17 - 1.05 i , 0.95 - 0.49 i\)
• C) \(1 + i , - 0.65 + 1.25 i , 1.39 - 0.22 i , - 0.22 - 1.39 i , 1.25 - 0.65 \mathrm { i }\)
• D) \(1 + i , - 0.65 + 1.25 \mathrm { i } , 1.39 + 0.22 \mathrm { i } , - 0.22 + 1.39 \mathrm { i } , - 1.25 - 0.65 \mathrm { i }\)

---

Definitions:

Debit Card

An automated teller machine card used at the point of purchase to avoid the use of cash. As this is not a credit card, money must be available in the user’s bank account.

Automated Teller Machine Card

A plastic card linked to a bank account, used at ATMs for transactions such as cash withdrawals, deposits, and balance checks.

Bank Account

A bank account is a financial account maintained by a banking institution in which the deposits, withdrawals, and balances of cash are recorded for the account holder.

Adjustment Costs

The costs associated with holding too little cash.