A geometric sequence is given. Find the common ratio and write out the first four terms.{tn} = 
A. r = 
; t1 = 
, t2 = 
, t3 = 
, t4 = 
B. r = 
n; t1 = 
, t2 = 
, t3 = 
, t4 = 
C. r = 
n; t1 = 
, t2 = 
, t3 = 
, t4 = 
D. r = 
; t1 = 
, t2 = 
, t3 = 
, t4 = 
Answer: A
Mathematics
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Solve the given differential equation. y(4) - 10y''' + 30y'' - 50y' + 125y = 0
A. y = (C1 + C2x)e5x + (C3 + C4x)e
x
B. y = C1 e5x + C2 cos 
x + C3 sin 
x
C. y = (C1 + C2x)e5x + C3 cos 
x + C4 sin 
x
D. y = (C1 + C2x)e5x + C3e
x + C4 e-
x
Mathematics
Rewrite the expression as the logarithm of a single quantity.
log10 s + 5log10 m
A. log10 m5
B. log10 (m5+
)
C. log10 
D. log10 
Mathematics
Evaluate the integral.
A. 
tan-1 
+ C
B. sin-1 
+ C
C. tan-1 
+ C
D. 
sin-1 
+ C
Mathematics
Write the equation in the form y = mx + b.-6x + 2y = 17
A. y = - 3x + 
B. y = 
x + 
C. y = 3x - 
D. y = 3x + 
Mathematics