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\fEvaluate the following integrals. Use Partial Fractions Decomposition Problem # 1 2x2 + 19x + 22 x2 + x - 12 -dx Problem # 2 5x2 + 5x +3 dx x3+x Evaluate the following integrals. Use Trigonometric substitution Problem # 3 (express your final answer in x and without trig/functions) dx xV25 - x2 Problem # 4 (express your final answer in x and without trig/functions) dx (4x2 - 1)2