calculus
posted by musuma .
evaluate
lim of x as it approaches infinity for sqrt of x^2 1/2x+1

calculus 
Steve
x^2 1/2x+1 = x/2  1/4  3/(4(2x+1))
as x>oo, that goes to oo as well.
Discard all of the numerator and denominator except the highest powers. For large x, your function just looks like x/2. Big, big limit.
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