Fill-in the blank. Evaluating the integral f x+x+1 dx equals (x + + C) x +1...

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Fill-in the blank. Evaluating the integral f x²+x+1 dx equals (x + + C) x +1 A. 2 In|x? +1| B. In|x +1| C. -2 In|x2 +1| D. -In|x* + 1| O A Ов O c O D Fill-in the blank. Evaluating the integral f x²+x+1 dx equals (x + + C) x +1 A. 2 In|x? +1| B. In|x +1| C. -2 In|x2 +1| D. -In|x* + 1| O A Ов O c O D