[線代] 關於2-1節的子空間問題
Let R be the set of all ordered pairs of real numbers .
Define scalar multiplication and addition on S by a(x1,x2)=(ax1,ax2)and
(x1,x2)+(y1,y2)=(x1+y1,0),respectively.Is S a vector space?
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08/09 22:26, , 1F
08/09 22:26, 1F
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