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Ask by Elliott Little. in the United States
Jan 22,2025

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To rationalize the denominator of the expression , follow these steps:
  1. Express the Square Root as a Fraction:
  2. Rationalize the Denominator:
    Multiply both the numerator and the denominator by to eliminate the square root from the denominator:
  3. Simplify the Expression:
    The expression is the rationalized and simplified form of the original expression.
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To rationalize the denominator for the expression , you can rewrite it as . To eliminate the square root in the denominator, multiply the numerator and denominator by . This gives you:
So, the rationalized form is .
In practical terms, rationalizing the denominator is not just about eliminating square roots; it often makes calculations easier, especially in fractions. For example, when adding or subtracting fractions, having a rational denominator clears up the arithmetic, making it simpler to manage the operations. It’s like tidying up your workspace before diving into a project—everything just flows better!

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