Question: Let L : R 3 R 3 be a function defined by L ( x , y , z ) = ( x + 2

Let L:R3R3 be a function defined by L(x,y,z)=(x+2y,yz,x-z). Is L a linear transformation?
Let L:R3R3 be a function defined by L(x,y,z)=(x+2y,yz,x-z). Is L a

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