If the domain of the function f(x),g(x)∈R; then the domain of the function p(x)=f(x)g(x) is equal to
A
R−{x;∀x∈f(x)=0}
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B
R−{x;∀x∈g(x)=0}
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C
R−{x;∀x∈f(x),g(x)=0}
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D
R
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Solution
The correct option is BR−{x;∀x∈g(x)=0} Here we have given two functions f(x),g(x) defined on R. But p(x) is a rational function so, p(x) is not defined where g(x)=0.