Solve the equation.
= 
A. r = 2
B. r = -1
C. r = 1
D. r = -2
Answer: B
Mathematics
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Find the product.(x + 4y)3
A. 3(x + 4y) B. x3 + 64y3 C. x3 + 4x2y + 8xy + 16xy2 + 32y2 + 64y3 D. x3 + 12x2y + 48xy2 + 64y3
Mathematics
Evaluate the given definite integral.
?
?
A. 
B. 
C. 
D. 
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Simplify.
? 
A. 
B. 
C. 
D. 
Mathematics
Solve the equation.e3x = 7
A. 
B. {3 ln 7}
C. 
D. 
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