NCERT Exercise 7.5 Q23 - Integrals
Question: int dx / (x (x^2 + 1)) equals (A) log|x| - (1/2) log(x^2+1) + C (B) log|x| + (1/2) log(x^2+1) + C (C) -log|x| + (1/2) log(x^2+1) + C (D) (1/2) log|x|/(x^2+1) + C.
Answer: (A)
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