28) In Problems 28 and 29, given the IMPORTANT FORMULA x(a+1)+ C (if a2 -1) and x1 dx = In x + C. (a+1) 1 S" dx =- Find + C A) 4 /x B) 4 In x C) 2x-2 D) 4 29) Find 4 1/ dx =4S x-3 dx, A) x 4 + C B) - 12х- 4 + С C) 4x-2+ C D) - 2x-2+C

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