Find All Specified Roots B) C) D)

question 28

Multiple Choice

Find all specified roots.
-Fifth roots of i.

• A) \(\operatorname { cis } \frac { 2 \pi } { 5 } , \operatorname { cis } \frac { 4 \pi } { 5 } , \operatorname { cis } \frac { 6 \pi } { 5 } , \operatorname { cis } \frac { 8 \pi } { 10 } , 1\)
• B) \(\operatorname { cis } \frac { \pi } { 10 } , i , \operatorname { cis } \frac { 9 \pi } { 10 } , \operatorname { cis } \frac { 13 \pi } { 10 } , \operatorname { cis } \frac { 17 \pi } { 10 }\)
• C) \(\operatorname { cis } \frac { \pi } { 5 } , \operatorname { cis } \frac { 3 \pi } { 5 } , - 1 , \operatorname { cis } \frac { 7 \pi } { 10 } , \operatorname { cis } \frac { 9 \pi } { 10 }\)
• D) \(\operatorname { cis } \frac { \pi } { 10 } , \operatorname { cis } \frac { 7 \pi } { 10 } , \operatorname { cis } \frac { 9 \pi } { 10 } , \operatorname { cis } \frac { 13 \pi } { 10 } , \operatorname { cis } \frac { 17 \pi } { 10 }\)

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Definitions:

RRSP

RRSP stands for Registered Retirement Savings Plan, which is a savings plan sponsored by the Canadian government that allows individuals to save for retirement on a tax-deferred basis.

RRIF

A Registered Retirement Income Fund, a tax-deferred retirement plan in Canada designed to provide income to beneficiaries.

Nominal Rate

The stated interest rate of a financial instrument or loan, not accounting for compounding or inflation.

Effective Rate

The interest rate on a loan or financial product, re-calculated annually, which takes into account the effect of compounding.