PYQ Vault
EbooksTutor

x +/- 1/x given: find x^5 +/- 1/x^5

This type of question, asked 3 times: 17 Jul 2023 S2, 17 Jul 2023 S3, 18 Jul 2023 S2. All 3 questions below, oldest first.

Try each one first, then open its answer.

  1. Question 1

    17 Jul 2023 S2

    54
    If a+1a=7a + \frac{1}{a} = 7, then a5+1a5a^5 + \frac{1}{a^5} is equal to:

    Tap an option to check your answer.

  2. Question 2

    17 Jul 2023 S3

    75
    If x+1x=−6x + \frac{1}{x} = -6, what will be the value of x5+1x5x^5 + \frac{1}{x^5}?

    Tap an option to check your answer.

  3. Question 3

    18 Jul 2023 S2

    65
    If x−1x=−6x - \frac{1}{x} = -6, what will be the value of x5−1x5x^5 - \frac{1}{x^5}?

    Tap an option to check your answer.