Вариант 12 ИДЗ 6.2

DHS - 6.2
Find y´ and y. "
№ 1.12. Ln y - y / x = 7.
№ 2.12. {x = t ^ 4; y = Ln t.
№ 3.12. For a given function y and argument x0, calculate y ‴ (x0); y = (5x-4) ^ 5; x0 = 2.
№ 4.12. Write the formula for the derivative of the nth order for the function y = Ln (5 + 2x);
№ 5.12. Write the equation of the tangent to the curve y = - x² / 2 + 7x - 15/2; at the point with the x = 3 abscissa.
№ 6.12. The law of motion of a material point is S = 4t ³ - 2t + 11. At what point in time will its velocity of motion equal to 190 m / s?