Question

Решите уравнение:

 

                                  a) (4x - 1)4 - 8( 4x-1)2 - 9= 0

 

                                  б) (x2 + 3x +1)(x2+ 3x+3) = -1

Answer 1

a) (4x - 1)4 - 8( 4x-1)2 - 9= 0
     16x - 4 - 64x+16 - 9= 0 
      48х-3 = 0 
       х = 1/16