Lim x=oo 4x^2 3x-1\5-8x-12x^2

A) 3x(1 - 2x)(2x + 1) = 3x - 12x^3
б) 2x(2 - 3x)(3x + 2) = 8x - 18x^3
в) 2x^2(4x^2 - 3)(3 + 4x^2) = 32x^6 - 18x^2
<span>г) 3x^3(2x^2 + 5)(5 - 2x^2) = 75x^3 - 12x^7<u /></span>