Evaluate.11 + 11 ? 22 - (-26)
A. 70
B. 227
C. 279
D. 510
Answer: C
Mathematics
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Solve the given differential equation.D4y + 5 D3y - 9 D2y - 45 Dy = 0
A. y = C1 + C2e3x + C3e-3x+ C4e-5x B. y = C1 + C2e3x + C3e-3x + C4e5x C. y = C1e3x + C2e-3x + C3e5x D. y = C1e3x + C2e-3x+ C3e5x
Mathematics
Integrate the function.
A. tan-1 2x - 
+ C
B. ln 
+ C
C. 
+ C
D. 
tan-1 2x + 
+ C
Mathematics
Find an expression equivalent to the given expression.
cosh u, where u is a function of x
A. sinh u 
B. sinh u
C. -sinh u 
D. cosh u 
Mathematics
Find the volume of the solid. Use 
for ?.
Use 
for ?.
A. 12
cu ft
B. 1
cu ft
C. 8
cu ft
D. 4
cu ft
Mathematics