ИДЗ 9.2 – Вариант 25. Решения Рябушко А.П.

1. Calculate (up to two decimal places) the area of the figure bounded by the above lines.
1.25 y = x3, y = 1, x = 0

2. Calculate (up to two decimal places) the arc length of the line.
2.25 x = 4cos3t, y = 4sin3t

3. Calculate (up to two decimal places) the volume of the body obtained by rotating the figure F around said axes.
3.25 F: y2 = (x + 4) 3, x = 0, Ox

4. Calculate (up to two decimal places) the surface area formed by the rotation of the arc of the curve L about said axis.
4.25 L: x = 2cost, y = 3 + 2sint, Ox

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