Question #45958

ntegrate completely with respect to x :
∫21(4x+6)dx

Expert's answer

∫21(4x+6)dx=21∫(4x+6)dx=21∫4xdx+21∫6dx=84∫xdx+126∫dx=84x2/2+126x+C=42x2+126x+C, where C is an arbitrary real constant.

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