Find the particular solution to the given differential equation that satisfies the given conditions.4D2y + 9y = 0; y = 0 and Dy = 1 when x = 
?
A. y = - 
cos 
x
B. y = c1 sin 
x + c2 cos 
x
C. y = - 
sin 
x
D. y = 
cos 
x
Answer: A
Mathematics
You might also like to view...
Find Dxy.y = 8 sinh4x
A. 32 cosh3x B. 32 sinh3x cosh x C. 32 sinh3x D. -32 sinh3x cosh x
Mathematics
Graph f on the interval [-2?, 2?] using dot mode.f(t) = csc 
A. 
B. 
C. 
D. 
Mathematics
Divide and simplify.
A. 
B. 
C. y15
D. y7
Mathematics
Use properties of logarithms to condense the logarithmic expression. Write the expression as a single logarithm whose coefficient is 1. Where possible, evaluate logarithmic expressions.
[3 ln (x + 6) - ln x - ln(x2 - 4)]
A. ln 
B. ln 
C. ln 
D. ln 
Mathematics