Question

x+1/x = 20 then find x²+1/x²​

Answer 1

Answer:

(x+1/x)²= 20²= 400= x²+1/x²+2×x×1/x

400-2=x²+1/x²

398

hope you understand and mark me as brainliest

Answer 2

Answer:

X + 1/X = 20

(X + 1/X)² = x² + 1/ X² + 2 x X x 1/X

(20)² = x² + 1/ X² + 2

400 = X² + 1/ X² + 2

400 - 2 = x² + 1/ X²

X² + 1/ X² = 398

Mark it as brainliest Answer