Question

find the value of x6×1/x6. if x×1/x=2

Answer 1

x+1/x =3 1/x     =3-x 1        = 3-x2 1-3     = -x2 -2       = -x2 √2      = x x+1/x  = √26+1/√26           = 2*2*2+1/2*2*2           = 8+1/8 ⇒ 8/1+1/8  LCM= 8            = 64/8+1/8           = 65/8              or           = 8.125