Expand the expression using the Binomial Theorem.(ax + by)5
A. a5x5 + 5a4bx4y + 10a3b2x3y2 + 10a2b3x2y3 + 5ab4xy4 + b5y5
B. a5x5 + 5abx4y + 10a3b2x3y2 + 10a2b3x2y3 + 5abxy4 + b5y5
C. a5x5 + 5a3b2x3y2 + 5ab4xy4 + b5y5
D. a5x5 + b5y5
Answer: A
Mathematics
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A. -1, 4 B. -1, - 4 C. -4, 0 D. 1, - 4
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Find the exact value under the given conditions.sin ? = 
, 0 < ? < 
; cos ? = 
, 0 < ? < 
Find cos (? + ?).
A. 
B. 
C. 
D. 
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Solve by the quadratic formula. Simplify answers. Use i notation for nonreal complex numbers.
+ 
= 
A. x = 
B. x = 
C. x = 
D. x = 
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Evaluate the determinant.
A. 4 B. -8 C. 8 D. 64
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