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Grade 12Algebra

when we write sqrt(f(x)/g(x)) as sqrt(f(x))/sqrt(g(x))

does the domain shrink

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Profile image of rah paul
15 Years agoGrade 12
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1 Answer

Profile image of Chetan Mandayam Nayakar
15 Years ago

for sqrt(f(x)/g(x)) g is nonzero and both f and g have the same sign. For the second expression again g is nonzero and once again f and g have the same sign. Therefore, the domains are the same.