NCERT Exercise 7.7 Q5 - Integrals

Question: Integrate sqrt(1 - 4x - x^2).

Answer: ((x + 2)/2) sqrt(1 - 4x - x^2) + (5/2) sin^{-1}((x + 2)/sqrt(5)) + C

Full step-by-step NCERT solution with diagrams on Something by Zero.

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