Given x +- 1/x (or a power of it), find another power x^n +- 1/x^n
This type of question, asked 5 times: CDS 1 2018, CDS 1 2020, CDS 1 2021, CDS 2 2025, CDS 1 2026. All 5 questions below, oldest first.
Try each one first, then open its answer.
Question 1
CDS 1 2018
9If , then what is the value of ?Tap an option to check your answer.
Question 2
CDS 1 2020
50If , what is the value of ?Tap an option to check your answer.
Question 3
CDS 1 2021
22If , then what is equal to?Tap an option to check your answer.
Question 4
CDS 2 2025
26If , ; then what is equal to?Tap an option to check your answer.
Question 5 (case study, 2 parts)
CDS 1 2026
For the next two (02) items that follow :83What is equal to ?Tap an option to check your answer.
84What is equal to ?Tap an option to check your answer.