Question

13. x² - 2 + 1 / x^2
can be expressed as​

Answer 1

Answer:

hope it helps

please mark as brainliest

Step-by-step explanation:

x+1/x=2

As we know that

(a+b)²=a²+b²+2ab

(x+1/x)²=(2)²

x²+1/x²+2=4

x²+1/x²=4-2

x²+1x²=2

Answer 2

Answer:

this is your answer plz mark my answer the brainliast answer

I have answered your question in a very short and simple way