Theorem on vector space : Linear Algebra : Degree
Let V(F) be a vector space and 0 and O be the zero scalar and zero vector respectively. Then
(i) a O = O ∀ a 𝞊 F.
(ii) o 𝜶 = O ∀ a 𝞊 F, 𝜶 𝞊 V
(iii) a ( - 𝜶 ) = - (a𝜶) = (-a) 𝜶 ∀ a 𝞊 F , 𝜶 𝞊 V
(iv) a ( 𝜶 - 𝛃 ) = a𝜶 - a𝛃 ∀ a 𝞊 F , 𝜶,𝛃 𝞊 V.
Proof :
* Historical Introduction to Linear Algebra
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