Question

if x²+1/x²=2, find x+1/xand x-1/x ,hence find also x⅔-1/x²​

Answer 1

Answer:

2 0 0

Step-by-step explanation:

x^4-2x^2+1=0 therefore the solution are 1 and -1

x+1/x = 1+1 =2 or -1-1 = -2

x -1/x= 1-1=0

x^2/3-1/x=0