Simplest Radical Form Examples (Squares are the numbers `1^2= 1`, `2^2= 4`, `3^2= 9`, `4^2= 16`, ...) In this case, `36` is the highest square that divides into `72` evenly. We express `72` as `36 × 2` and proceed as follows. We have used the law: `sqrt(a^2)=a`.
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Simplest Radical Form Examples (Squares are the numbers `1^2= 1`, `2^2= 4`, `3^2= 9`, `4^2= 16`, ...) In this case, `36` is the highest square that divides into `72` evenly. We express `72` as `36 × 2` and proceed as follows. We have used the law: `sqrt(a^2)=a`.