2. (a) Find \(\quad \int \left( 3 + 4 x ^ { 3 } - \frac { 2 } { x ^ { 2 } } \right) \mathrm { d } x\).
(b) Hence evaluate \(\quad \int _ { 1 } ^ { 2 } \left( 3 + 4 x ^ { 3 } - \frac { 2 } { x ^ { 2 } } \right) \mathrm { d } x\).
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