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.