Question

x+1/x^2 =11 find x^2+1/x^2​

Answer 1

Answer:

119

Step-by-step explanation:

x+1/x=11 = (x+1/x)^2 =(11)^2

x^2+1/x^2+2×x×1/x =121

x^2+1/x^2+2 = 121

x^2+1/x^2 = 121-2

x^2+1/x^2 = 119