Write an equivalent expression. Use a commutative law.wx
A. w ÷ x
B. xw
C. 
D. w + x
Answer: B
Mathematics
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Evaluate the integral.
A. ln 
+ C
B. 
ln 
+ C
C. 8 sin x + C
D. 8 ln 
+ C
Mathematics
Solve the given differential equation.D3y + 9 D2y + 27 Dy + 27y = 0
A. y = e-3x(c1 + c2x)
B. y = e-3x
C. y = e3x(c1 + c2x + c3x2)
D. y = e-3x(c1 + c2x + c3x2)
Mathematics
Identify the equation without applying a rotation of axes.x2 + 6xy + 9y2 - 2x + 2y + 9 = 0
A. parabola B. hyperbola C. ellipse D. not a conic
Mathematics
Evaluate the expression.
7/2
A. - 56
B. - 16,384
C. 
D. not a real number
Mathematics