Question

please answer..solvea nd tell..
will mark your answer as brainliest​...please​

Answer 1

Answer:

[a + 1/a]²  - [a – 1/a]² = 4

Step-by-step explanation:

⇒ [a + 1/a]²  - [a – 1/a]²

⇒ [a² + 1/a² + 2] - [a² + 1/a² - 2]

⇒ a² + 1/a² +2 - a² - 1/a² + 2

⇒ 4

Hope this will help you!!

Answer 2

Answer:

4 is the answer........