Solve the given differential equation. (The form of yp is given.)D2y + 49y = sin x - 1 (Let yp = A + B sin x + C cos x.)
A. y = c1 sin 7x + c2 cos 7x + 
+ 
sin x
B. y = c1 sin 7x + c2 cos 7x - 
+ 
sin x
C. y = c1 sin 7x + c2 cos 7x - 
- 
sin x
D. y = c1 sin 7x + c2 cos 7x - 
+ 
sin x + 
cos x
Answer: B
You might also like to view...
Find the unknown length in the right triangle. If necessary, approximate the length to the nearest thousandth.
A. 342.5 m B. 685 m C. 26.173 m D. 18.5 m
Multiply.
yz(10x - 6y6 + 2y)
A. 
xyz - 2y7z + 
yz2
B. 
xyz - 6y6 + 2y
C. 
xyz - 2y7z + 
y2z
D. 
xyz - 2y6z + 
y2z
Write the ratio in fraction notation.5:12
A. 
B. 
C. 
D. 
Find the coordinates of the vertex and x-intercepts for the quadratic function.f(x) = x2 - 6x + 5
A. vertex (-3, -4) x-intercepts (-5, 0), (- 1, 0) B. vertex (-3, 4) x-intercepts (-5, 0), (- 1, 0) C. vertex (3, 4) x-intercepts (5, 0), (1, 0) D. vertex (3, -4) x-intercepts (5, 0), (1, 0)