Math Problem Statement
Its 5 and 3 not 15 not 13
Solution
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Math Problem Analysis
Mathematical Concepts
Rationalization
Algebra
Simplification of Radicals
Formulas
Multiplication by the conjugate: \( \frac{a+b}{a-b} \times \frac{a+b}{a+b} \)
Simplifying radicals: \( \sqrt{a} \times \sqrt{a} = a \)
Theorems
Difference of squares: \( (a-b)(a+b) = a^2 - b^2 \)
Suitable Grade Level
Grades 9-10
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