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Evaluate:
Evaluate: $\int \frac{x}{x^2 + 1}\,dx$
- (a)$2\log(x^2 + 1) + c$
- (b)$\frac{1}{2}\log(x^2 + 1) + c$
- (c)$e^{x^2 + 1} + c$
- (d)$\log x + \frac{x^2}{2} + c$
Answer
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From ISC 2023 Mathematics Paper 1, question 1(vii).