1) y = 3x³ - 8x² - 6x + 12
y' = 9x² - 16x - 6
2) y = 3x⁵ + 15x⁻⁴ - 2x⁻³ + 2
y' = 15x⁴ - 60x⁻⁵ + 6x⁻⁴
3) y = (2x + 1)(x² + 3x + 1)
y' = 2(x² + 3x + 1) + (2x + 1)(2x + 3) = 2x² + 6x + 2 + 4x² + 8x + 3 = 6x² + 14x + 5
1) y = (x² - 8x + 6)³, x = 2
y' = 3·(x² - 8x + 6)²·(2x - 8) = 6·(x² - 8x + 6)²·(x - 4)
y'(2) = 6·(2² - 8·2 + 6)²·(2 - 4) = 6·(4 - 16 + 6)²·(-2) = -12·36 = 432
2) y = (3x² + 1)·(2x² + 3), x = 2
y' = 6x·(2x² + 3) + (3x² + 1)·4x = 12x³ + 18x + 12x³ + 4x = 24x³ + 22x = 2x·(12x² + 11)
y'(2) = 2·2·(12·2² + 11) = 4·59 = 236