Use De Moivre's theorem to simplify the expression. Write the answer in the form a + bi.
3
A. 15
+ 15i
B. 50
+ 50i
C. 5
+ 5i
D. -500
+ 500i
Answer: D
Mathematics
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Provide an appropriate response. Given a 45°, 45°, 90° triangle, find the hypotenuse if a leg is 12.3 cm.
A. 21.30 cm B. 17.39 cm C. 8.70 cm D. 12.3 cm
Mathematics
Find an expression for the general term, an.1024, 256, 64, 16, . . .
A. an = 1024(4) n - 1
B. an = 1024
n - 1
C. an = 1024
n - 1
D. an = 1024
n - 1
Mathematics
Solve the equation.
= ?x + 8?
A. {14, - 
}
B. {- 14, 
}
C. ?
D. {14}
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State the value of the discriminant and the number of real solutions.s2 = -5s + 1
A. 0, one B. -29, two C. 29, one D. 29, two
Mathematics