Question

If x +1 =3 , then find the value of x6+1.

x x6

Answer 1

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SOLUTION:--

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