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One or more of the alternatives are correct.  Marks will be given only if all the correct alternatives have been selected and no incorrect alternative is picked up.

Which of the following improper integrals is (are) convergent?

  1. $\int ^{1} _{0} \frac{\sin x}{1-\cos x}dx$
  2. $\int ^{\infty} _{0} \frac{\cos x}{1+x} dx$
  3. $\int ^{\infty} _{0} \frac{x}{1+x^2} dx$
  4. $\int ^{1} _{0} \frac{1-\cos x}{\frac{x^5}{2}} dx$
asked in Calculus by Veteran (52k points) | 379 views

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