3 2A 1 A 12 3 2 3. 3   C. A A( A 1) KHI A > -12 3 (2 3)(1 3) 3...

2.3 2

a 1 a 1

2 3 2 3. 3

  

c. a a( a 1) khi a > -1

2 3 (2 3)(1 3) 3 1

d.

  

1 3 (1 3)(1 3) 2 e.

32 1 2

2 1 3 2



3 2

  

2 1 3 2