If x+1/x=4, then the value of x²+1/x² is: || ADRE 1.0 (SLRC 2022) Paper-I Solved Questions

QUESTION:

If x+1/x=4, then the value of x²+1/x² is:

(A) 10

(B) 12

(C) 13

(D) 14

SOLUTION: