Question

Question If  ( x+ 1/x ) = 4, then the value of ( x² + 1/x² ) is​

Answer 1

Answer:

14

Explanation:

x+1/x=4 (squaring both side)

x^2+1/x^2+2×x×1/x=16

x^2+1/x^2=16-2

x^2+1/x^2=14