2. Evaluate the following integrals: (a) f(3x³ + 2x² - 1)8(x-4)dx (b) 2₂4x²8(2x - 1)dx (c) In(x + 3) 8(x - 1) dx (d) f(r²r a + a²)8³ (-a)dt. Here, a is a fixed vector of magnitude a and the integral is over all space. (e) fr-21²8³ (57) dt. Here, V is a cube of side 2, centered on the origin, and b = 3x + 4ŷ.

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