dx Using Trigonometric Substitution J- 3 sin e+C express the answer in terms of x. (x² + x + 1) 2 4x +4 +C 3V x2 + x +1 4x +1 +C 3V x2 + x+1 4/3 +C 6 / x2 + x+1 4x +2 +C 3Vx2 + x+1

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