IDZ 9.2 - Option 18. Decisions Ryabushko AP

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• Calculate (up to two decimal places) the area of the figure bounded by the above lines.

1.18 y2 = 9x, y = 3x

• Calculate (up to two decimal places) the arc length of the line.

2.18 ρ = 3sinφ

• Calculate (up to two decimal places) the volume of the body obtained by rotating the figure F around said axes.

3.18 F: x = 7cos3t, y = 7sin3t, Oy

• Calculate (up to two decimal places) the surface area formed by the rotation of the arc of the curve L about said axis.

4.18 L: 3y = x3 (0 ≤ x ≤ 1), Ox

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