Question 1

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Si un vector té components begin mathsize 12px style bold left square bracket begin bold style negative 4 end style bold comma begin bold style 0 end style bold right square bracket end style en la base begin mathsize 12px style open curly brackets bold u with bold rightwards arrow on top bold comma bold space bold v with bold rightwards arrow on top close curly brackets bold space bold equals open curly brackets bold left square bracket begin bold style negative 5 end style bold comma begin bold style 8 end style bold right square bracket bold comma bold space bold left square bracket begin bold style 5 end style bold comma bold space begin bold style negative 6 end style bold right square bracket close curly brackets end style,

quins components té en la base canònica begin mathsize 12px style open curly brackets bold i with bold rightwards arrow on top bold comma bold space bold j with bold rightwards arrow on top close curly brackets space bold amb bold space bold i with bold rightwards arrow on top bold equals open square brackets bold 1 bold comma bold 0 bold space close square brackets bold space bold space bold i bold space bold space bold space bold j with bold rightwards arrow on top bold equals open square brackets bold 0 bold comma bold 1 close square brackets end style?

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