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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