Tìm: a) \[\int {{{\left( {x - 2} \right)}^2}dx} \]; b) \[\int {\left( {x - 1} \right)\left( {3x + 1} \right)dx} \]; c) \[\int {\sqrt[3]{{{x^2}}}dx} \]; d) \[\int {\frac{{{{\left( {1 - x} \right)}^2}}}{{\sqrt x }}dx} \].

Tìm:

a) \[\int {{{\left( {x - 2} \right)}^2}dx} \];

b) \[\int {\left( {x - 1} \right)\left( {3x + 1} \right)dx} \];

c) \[\int {\sqrt[3]{{{x^2}}}dx} \];

d) \[\int {\frac{{{{\left( {1 - x} \right)}^2}}}{{\sqrt x }}dx} \].