4. Evaluate $\int \frac{x^2 - 1}{\sqrt{1 - x^2}} (2 - 1 - 5 \csc^2 x + 3x^2 - 12) dx$
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Since I represents the imaginary unit, which is equal to the square root of -1, we have 3*I = 3*√(-1) = 3i. Show more…
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