Question: Let A = (aj, an, as) be a vector in R . Prove that i) If A = 0 then |A| = 0. ii) If

Let A = (aj, an, as) be a vector in R

. Prove that i) If A = 0 then |A| = 0.

Let A = (aj, an, as) be a vector in R . Prove that i) If A = 0 then |A| = 0. ii) If JA| = 0 then A = 0

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