Find the derivative.
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Solve the given differential equation. (The form of yp is given.)D2y + 7Dy + 12y = 2x (Let yp = A + Bx.)
A. y = c1e-3x + c2e-4x + 
- 
x
B. y = c1e-3x + c2e-4x - 
+ 
x
C. y = c1e3x + c2e4x - 
+ 
x
D. y = c1e-3x + c2e-4x + 
x
Mathematics
Find the curvature of the space curve.r(t) = ti + (sinh t)j + (cosh t)k
A. ? = sinh2 t
B. ? = cosh2 t
C. ? = 
D. ? = 
Mathematics
Simplify the rational expression. If the expression is already in simplest form, state this as your answer.
A. 
B. 
C. 
D. 
Mathematics
Draw a unit circle centered at the origin and sketch ?A = 90°. Label as P where the side of A, not on the x-axis, intersects the unit circle. Find and label the coordinates of P on the unit circle.
What will be an ideal response?
Mathematics