Question

If x-1/x=13,find the value of x²+1/x²​

Answer 1

Answer:

Answer:

145

Step-by-step explanation:

x-1/x=13

x-1=13x

12x=-1

x=-1/12

x^2+1/x^2

(-1/12)^2+1/(-1/12)^2

1/144 +1/ 1/144

145/144/1/144

=145