Question

if (x+1/x) = 6, find the values of (i) (x-1/x) (ii) (x2 - 1/x2)
Answer : (i) ±4√2 (ii) ±24√2
please just need to solve.. Please help me I am not able to solve this problem.. This is of EXPANSION​

Answer 1

Answer:

i) make it quadratic equation then solve

ii) let x^2=t then make quadratic in t you will get two values of t, one will be negative and rejected because t is x^2 and cannot be negative