Question

if x+ 1/x=2
then x^2+1/x^2​

Answer 1

Answer:

x²+1/x² = 2

Step-by-step explanation:

x+1/x = 2

=> (x+1/x)² = 4

=> x²+1/x²+2*x*1/x = 4

=> x²+1/x²+2 = 4

=> x²+1/x² = 4-2

=> x²+1/x² = 2

using formula (x+y)² = x²+y²+2*x*y