PROOF 97
Prove.
√(a²) is the absolute value of a
On the real numbers ℝ.
Definition D1
|a| means a if a ≥ 0, and −a if a < 0.
Proof.
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PROOF 97
√(a²) is the absolute value of a
On the real numbers ℝ.
Definition D1
|a| means a if a ≥ 0, and −a if a < 0.
Proof.
Related labs