Solve the equation. If the solutions involve square roots, give both the exact solutions and the approximate solutions to three decimal places.3n2 = -10n - 2
A. 
? -0.107, 
? -1.560
B. 
? -1.880, 
? -4.786
C. 
? 0.189, 
? -3.523
D. 
? -0.214, 
? -3.120
Answer: D
Mathematics
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(4y dx + 2y dy)C: The boundary of 0 ? x ? ?, 0 ? y ? sin x
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