2.132. Wyznacz granice:

a) lim [-2(1-2x)(x+3)(1-3x)]

2x² + 4x+5 3(1-2x)(x-1) b) lim

c) lim -3x³ +2x²+x+1 (1-2x²)(1+2x²)

4x+8 b) lim x-2x² +4x+1

4x²-3x² +5x (4x-1)² d) lim