d 13x6x Soluç\ufffdo:d(33.6x dx 12x 6x'+1ax3.6 dx 12 x3.6x6xt12x .6 x dx dX d 3-1 3x .6x + 12x6.3 3-1 dx d216x+216x* dX d-3x dX 5
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