Question

if x + 1/x = 2 what is x^2 + 1/x^2​

Answer 1

Answer:

6

Step-by-step explanation:

sqjaring on both sides

x^2 +1 / x^2 + 2 = 2^2 = 4

x^2 + 1 / x^2 = 6

Answer 2

Answer:

2

Step-by-step explanation:

x + 1/x=2

(x + 1/x)²=x²+1/x²+2

4=x²+1/x²+2

Therefore x²+1/x²=2