How do you find all numbers that must be excluded from the domain of the given rational expression #8/(x^2-4x)#?
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"How do you find the area of the region bounded by the polar curves #r=1+cos(theta)# and #r=1-cos(theta)# ?"
1 Answer
Apr 7, 2015
Division by
therefore we must exclude any values of
Those values would be given by
or
Therefore we must exclude
and
from the domain of this expression
