.

2.3 Higher order dirivatives

1.

(a) $y(0) = 4, v(0) = 3, a(0) = -2$ (b) $y(0) = 0, v(0) = -6, a(0) = 0$

(c) $y(0) = 9, v(0) = -\frac{9}{2}, a(0) = \frac{9}{2}$

2.

(a) $${\frac{1}{(x^{2} + 1)^{3/2}}}$$ (b) $${\frac{1}{x}}$$ (c) $${2e^{x}\cos{x}}$$