4) If x-1/x=5, fand the value of x²+ 1/x²

Given:

To find:

Let's square the above expression.

According to the identities, (a - b)² = a² - 2ab + b². Using the same logic for the expression above,

Therefore, the value of x² + 1/x² is 27.

step-by-step explanation:

1. practice, practice & more practice

2. review errors

3. master the key concepts

do not try to memorise the processes.

4. understand your doubts.

5. create a distraction free study environment

6. create a mathematical dictionary

7. apply maths to real world problems.

according to egenuity the answer is

step-by-step explanation:

d. 344.22