Question

d/dx{(3x+4)/(4x+5)}​

Answer 1

Answer:

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Answer 2

$y = \frac{3x + 4}{4x + 5}$

$\frac{dy}{dx} = \frac{(4x + 5) \times 3 - (3x + 4) \times 4}{(4x + 5)^{2} }$

$\frac{dy}{dx} = \frac{(12x +15 - 12x - 16)}{(4x + 5)^{2} }$

$\frac{dy}{dx} = \frac{ - 1}{(4x + 5)^{2} }$