Solve the equation.x2 - 12x + 61 = 0
A. {6 - 5i}
B. {6 - 25i, 6 + 25i}
C. {6 - 5i, 6 + 5i}
D. {1, 11}
Answer: C
Mathematics
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A.
B.
C.
D.
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Solve the problem.The current I in a circuit with voltage E, resistance R, capacitive reactance Xc and inductive reactance XL is I = Find I if E = 3
(cos 45° + i sin 45°), R = 4, XL = 4, and XC = 2.Give your answer in rectangular form.
A. +
i
B. +
i
C. +
i
D. +
i
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Evaluate the expression, if possible.815/4
A. 2187 B. 6561 C. 19,683 D. 243
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Find the product. Write the answer in standard form.i(7 - 3i)(4 - 3i)
A. -33 - 19i B. 33 + 19i C. 9i3 + 33i2 + 28i D. 37 + 9i
Mathematics