Ryabushko A.P. IDZ 6.2 option 2

DHS - 6.2
Find y ´and y ".
№ 1.2. x² / 5 + y² / 7 = 1.
Find y ´and y ".
№ 2.2. {X = 2cos²t; y = 3sin²t
№ 3.2. For a given function and y arguments to calculate x0 y ´´ ´(x0); y = arctg x; x0 = 1.
№ 4.2. Write a formula for the derivative of n - th order for the function y = 1 / x;
№ 5.2. Write the equation of the normal to the curve y = x² - 16x + 7; at the point with the abscissa x = 1.
№ 6.2. The law of motion of a material point S = 3t² / 4 - 3t + 7. At what point in time, its velocity is equal to 2 m / s?