Im stuck on what to do in order to get rid of the fraction in the numerator: lim x->0 [(1)/(2+x) - (1)/(2)] / x do i multiply by 2+x? how?
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Originally Posted by >_<SHY_GUY>_< Im stuck on what to do in order to get rid of the fraction in the numerator: lim x->0 [(1)/(2+x) - (1)/(2)] / x do i multiply by 2+x? how? Note that $\displaystyle \frac{1}{2 + x} - \frac{1}{2} = \frac{2 - (2 + x)}{2(2 + x)} = -\frac{x}{2(2 + x)}$.
oh! thank you so much...i get it now :]
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