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int sqrt(1 - 4x - x^(2)) dx....

`int sqrt(1 - 4x - x^(2)) dx`.

Text Solution

Verified by Experts

The correct Answer is:
`I = (x + 2)/2 sqrt(1 - 4x - x^(2)) + 5/2 sin^(-1) ((x + 2))/(sqrt5) + C`.
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