Given matrices A = 
, B = 
, and C = 
, decide if the statement is true or false.(A + B)(B - A) = A2 - B2, where A2 = AA and B2 = BB.
A. True
B. False
Answer: B
Mathematics
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Perform the indicated operation. Simplify the answer when possible.
A. 
B. 
C. 
D. 14
Mathematics
Evaluate the integral.
A. 
[ sin 2x + cos 2x] + C
B. 
[2 sin 2x + 5 cos 2x] + C
C. 
[2 e5x sin 2x + 5 cos 2x] + C
D. 
[2 sin 2x - 5 cos 2x] + C
Mathematics
Find all values of ? in [0°, 360°) that satisfy the equation.sin ? = - 
A. {45°, 225°} B. {225°, 315°} C. {45°, 315°} D. {135°, 225°}
Mathematics
Use a coterminal angle to find the exact value of the expression. Do not use a calculator.sin -690°
A. 
B. 
C. 
D. 2
Mathematics