А) у=(2х^3-4)^4 б) у=2sin(4х+5) в) у=tg(5х-1.2) г) y=e^2x/1+x^2

а) y\' = ((2x^3 - 4)^4)\' = 4 * (2x^3 - 4)^3 * (2x^3 - 4)\' = 4 * (2x^3 - 4)^3 * 6x^2;

б) y\' = (2sin(4x + 5))\' = 2cos(4x + 5) * (4x + 5)\' = 8cos(4x + 5);

в) y\' = (tg(5x - 1,2))\' = 1 / cos^2(5x -1,2) * (5x - 1,2)\' = 5 / cos^2(5x -1,2);

г) y\' = (e^2x / (1 + x^2))\' = (2e^2x * (1 + x^2) - e^2x * 2x) / (1 + x^2)^2.