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For which value of \(x\) is the function \(f(x)=\frac{1}{x-2}\) not defined?

Answer and explanation

Correct answer: \(x=2\)

The denominator of a fraction cannot be zero because division by zero is undefined. Here the denominator is \(x-2\). Setting \(x-2=0\) gives \(x=2\), so the function is not defined at \(x=2\). Exam tip: For a rational function, set its denominator equal to zero to find the excluded value from the domain.

Related tags

Standard-FunctionsReciprocal-FunctionDomain-Of-FunctionReal Valued FunctionsTheir Domain And RangeReal Valued Functions Their Domain And RangeRelations And FunctionsMathematicsClass 11 Mcq

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