Given that y = (1+tanx)/(1+2tanx) find dy/dx ok do i just differentiate (1+tanx)/(1+2tanx)?
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Use the quotient rule for differentiation. $\displaystyle \frac{d}{dx}(\frac{u}{v}) = \frac{u'v - v'u}{v^2} $
Originally Posted by djmccabie Given that y = (1+tanx)/(1+2tanx) find dy/dx ok do i just differentiate (1+tanx)/(1+2tanx)? Yes, you are given that y= (1+ tanx)/(1+ 2tanx) and are asked to differentiate y: differentiate (1+ tan x)/(1+ 2 tan x). And use the quotient rule as bobby said.
That is what i initially attempted and got -sec˛x/(1-2tanx)˛ is this right?
Originally Posted by djmccabie That is what i initially attempted and got -sec˛x/(1-2tanx)˛ is this right? denominator should be $\displaystyle (1 + 2\tan{x})^2$
typo thanks
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