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Calculus, finding horizontal asymptote (Help me understand this solution, picture included).
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how is the HA = 0?
\[f(x)=\sqrt{x^2+2}-x\] is the original equation
Did you understand the first step? Multiplying by conjugate.
the bottom blows up to huge numbers, a constant over a huge number is very close to zero, and getting closer as you let the bottom grow llarger
is it 2|dw:1447550796679:dw| is that why the HA is 0?
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