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Title: Question about Delta Method (Question 2) Post by: bio_man on Sep 11, 2019 Quote Why -3(xdeltax)^2+1 becomes - 3(xdeltax)^2-3? . Did you multiply the front -3 right? Then why it doesnt dissapear? Answer: \(-3\left[\left(x+\Delta x\right)^2+1\right]\) You must expand the expression by multiplying the outside factor of \(-3\) into the terms found in the brackets: \(-3\left(x+\Delta x\right)^2-3\) Title: Re: Question about Delta Method (Question 2) Post by: ryann on Oct 2, 2019 thanks
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