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Mathematics 11 Online
OpenStudy (anonymous):

Why is it important to find the restrictions on a variable?

OpenStudy (anonymous):

it is sometime important in case of a denominator goes to zero so that it should be avoided to gets undefined like 4/(x-3) xis not equl to 3 also in case of logrithm it should be avoided that there should be no zero because logrithm of zero is going towords infinity

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