Simplify. Be sure to rationalize the denominator. Assume that all variables represent positive real numbers.
A. 7
B. 
C. 
D. 
Answer: B
Mathematics
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Use reduction formulas to evaluate the integral.
A. - 
csc2 
cot 
- 
csc 
+ C
B. - 
csc2 
cot 
- 
cot 
+ C
C. - 
csc2 
cot 
- 
cot 
+ C
D. - 
csc3 
cot 
+ 
cot 
+ C
Mathematics
Perform the indicated operation and write your answer in standard form.(7 - 7i)(3 - 7i)
A. 49i2 - 70i + 21 B. -28 - 70i C. -28 + 70i D. 70 + 28i
Mathematics
Find the derivative.f(x) = 
- 
A. - 
+ 
B. -2
- 
C. 
+ 
D. - 
- 
Mathematics
Divide and reduce to lowest terms.
÷ 2
A. 
B. 
C. 
D. 8
Mathematics