Factor the GCF from each term in the expression.20x6y5z3 + 12x3y3z2
A. 12x3y3z2(x3y2z + 1)
B. 4x6y5z3(5 + 3xyz)
C. 4x6y5z3(5 + 3x3y3z2)
D. 4x3y3z2(5x3y2z + 3)
Answer: D
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Add or subtract. Simplify the answer.
- 
A. 
B. 
C. 
D. 
Find T, N, and B for the given space curve.r(t) = 
(1 + t)3/2i + 
(1 - t)3/2j + 
tk
A. T = 
i + 
j + 
k; N = 
i + 
j; B = 
i + 
j + 
k
B. T = 
i - 
j + 
k; N = 
i + 
j ; B = - 
i + 
j + 
k
C. T = 
i - 
j + 
k; N = 
i + 
j; B = - 
i + 
j + 
k
D. T = 
i - 
j + 
k; N = 
i + 
j; B = - 
i + 
j + 
k
Use multiplication to check the answer. If an answer is incorrect, find the correct answer.
A. Correct B. Incorrect; should be 48 R2 C. Incorrect; should be 48 R4 D. Incorrect; should be 47 R3
Use the geometric series f(x) = 
= 
, for 
< 1, to find the power series representation for the given function (centered at 0). f(3x) = 
A. 
B. 
C. 
D. 