Find the product.(1 + x3)(1 - x3)

A. 1 - x9
B. 2 - x6
C. 2 - x9
D. 1 - x6

Answer: D

Mathematics

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Use reduction formulas to evaluate the integral.

A.  sin 4x -  sin3 4x + C
B.  sin 4x +  sin3 4x + C
C.  sin 4x -  cos3 4x + C
D. 5 sin 4x -  sin3 4x + C

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Mathematics

Add or subtract. Simplify the answer. + 

A.
B.
C.
D.

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Mathematics

Perform the indicated operation. Write the result in standard form.(9 + 8i) - (-8 - 8i) - (-4 - 2i)

A. 21 - 2i B. 21 + 18i C. -3 - 2i D. 13 + 14i

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Mathematics

Verify the identity.sin3 x cos2 x = sin x (cos2 x - cos4 x)

What will be an ideal response?

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Mathematics