IDZ 9.2 - Option 20. Decisions Ryabushko AP

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

1.20 y2 = 4x, x2 = 4y

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

2.20 x = 9 (t - sint), y = 9 (1 - cost) 0 ≤ t ≤ 2π

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

3.20 F: x3 = (y - 1) 2, x = 0, y = 0, Ox

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

4.20 L: ρ = 6sinφ, the polar axis

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