Find the derivative of the function.y = x3 tan x

A.  = - x3 sec2 x + 3xtan x
B.  = x3 sec2x + 3xtan x
C.   = 3x2 sec2 x
D.   = x3 sec x tan x + 3xtan x


Answer: B

Mathematics

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A. (1, 5, 4, 2) B. (-1, 4, -5, 2) C. (-1, 5, 4, -2) D. No solution

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Multiply the polynomials using the special product formulas. Express the answer as a single polynomial in standard form.(5x + 2)3

A. 25x2 + 20x + 4 B. 125x3 + 150x2 + 150x + 8 C. 125x3 + 150x2 + 60x + 8 D. 25x6 + 10x3 + 64

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