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If Y = 3X / (3X + X 2),then DY/dX

Question 16

Multiple Choice

If Y = 3X / (3X + X 2) ,then dY/dX is:


A) [(3 + 2X) 3X + 3(3X + X 2) ] / (3X + X 2) 2.
B) (3 + 2X) 3X / (3X + X2) 2.
C) -3 / (3 + X) 2.
D) [(3 + 2X) - 3(3X + X 2) ] / (3X + X 2) 2.
E) (3 + 2X) 3X / (3X + X2) .

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