Question

19. $\int \frac{1}{\sqrt{1 - 4x^2}} dx$ 20. $\int \frac{1}{x\sqrt{25x^2 - 4}} dx$

          19. $\int \frac{1}{\sqrt{1 - 4x^2}} dx$
20. $\int \frac{1}{x\sqrt{25x^2 - 4}} dx$

19. ∫(1)/(√(1 - 4x^2)) dx
20. ∫(1)/(x√(25x^2 - 4)) dx

Added by Rhonda D.

Elementary and Intermediate Algebra

Alan S. Tussy, R. David Gustafson 5th Edition

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Solved by Expert Nick Johnson

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Step 1: Is 19 equal to 20? No, 19 is not equal to 20. Show more…

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19 is not equal to 20. The square root of 257 is 16.

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