BUENO

1. Reduce:
2 2
(2 3 ) (2 3 )
M
12
a b a b
ab
  


2. Reduce:
P ( 1)( 7) ( 2)( 10)+22     x x x x

3. Reduce:
2 2
M 2 3 2 3 2 3 2 3          
      