Using the substitution u = 1+x^2, convert the integral into one involving only the variable u. You do not need to compute the resulting integral.

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Q: not

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Q: 6. f(x) = X a. lim f(x) x-0* b. lim f(x) X-0 c. lim f(x) X-0

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Q: Evaluate the integral -2 Te ex dx Note: Use an upper-case "C" for the constant of integration.

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