Evaluate the expression.
A. 
B. 20
C. 2!
D. 
Answer: D
Mathematics
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Provide an appropriate response.Find all complex cube roots of z = -8i. Write each root in rectangular form.
A. -2i, 
+ i, 
+ i
B. 2i, - 
- i, 
- i
C. -2i, 
- i, 
- i
D. 2i, - 
+ i, - 
+ i
Mathematics
Solve the problem.Find the sum of the first 284 positive odd integers.
A. 81,225 B. 80,656 C. 80,089 D. 80,940
Mathematics
Compute the product.
A. 
B. 
C. 
D. not defined
Mathematics
Simplify.cos(u + v) cos v + sin(u + v) sin v
A. cos u (1 + cos2 v) B. sin v C. cos u D. cos v
Mathematics