Ответ:
Пошаговое объяснение:
0 0
S = ∫ (1/2 * x^2 - 2x) dx = 1/6 * x^3 - x^2 | = 0 - 1/6 * 4^3 + 4^2 = 16/3 кв.ед
4 4
2 2
S = ∫ (-x + 6 - x^2) dx = (-1/2)*x^2 + 6*x + (-1/3)*x^3 | =
3 3
= (-1/2)*2^2 + 6*2 + (-1/3)*2^3 - ((-1/2)*3^2 + 6*3 + (-1/3)*3^3) = 2 5/6 кв. ед.
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Ответ:
Пошаговое объяснение:
0 0
S = ∫ (1/2 * x^2 - 2x) dx = 1/6 * x^3 - x^2 | = 0 - 1/6 * 4^3 + 4^2 = 16/3 кв.ед
4 4
2 2
S = ∫ (-x + 6 - x^2) dx = (-1/2)*x^2 + 6*x + (-1/3)*x^3 | =
3 3
= (-1/2)*2^2 + 6*2 + (-1/3)*2^3 - ((-1/2)*3^2 + 6*3 + (-1/3)*3^3) = 2 5/6 кв. ед.