Find the indicated series by the given operation.Show that by differentiating term by term the expansion of   the result is the expansion for .

A.  = 2
B.  = 2
C.  = 2x(1 + x2 - x4 + x6 - . . .)
D.  = 2x(1 - x2 + x4 - x6 + . . . )


Answer: D

Mathematics

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At a minimum value of  is 0.

Answer the following statement true (T) or false (F)

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Write the first four terms of the recursive sequence.a1 = 8, an = 1 -   for n ? 2

A. 8, , -6
B. 8, , - , 8
C. 8, - 
D. 8, , - , -8

Mathematics

Multiply the polynomials using the FOIL method. Express the answer as a single polynomial in standard form.(x + 6)(x - 2)

A. x2 + 3x - 12 B. x2 + 4x - 12 C. x2 - 12x + 4 D. x2 + 4x + 4

Mathematics

Graph the solution of the system.2x + y ? 4 y - 1 ? 0

A.

B.

C.

D.

Mathematics