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Calculus

Which of the following integrals cannot be evaluated using a simple substitution?

the integral of the square root of the quantity x minus 1, dx
the integral of the quotient of 1 and the square root of the quantity 1 minus x squared, dx
the integral of the quotient of 1 and the square root of the quantity 1 minus x squared, dx
the integral of x times the square root of the quantity x squared minus 1, dx

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Ella

  1. I could easily integrate #1 and #4

    I see no difference isn #2 and #3, but would have difficulty with that one.

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    Reiny

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