2.9.) Which of the following sets are subspace of IR³? a.) A = {(λ₁ λ + H²³, 1 - μ³²) | 1₁ μL E IR } . 1 b.) B = {(1 ²₁ -1²,0) | \ EIR}. C.) Let y be in IR. C= { ( § ₁, § ₂, § 3) € 10³² ) 5₁ - 2 d.J D= {(₁, ₂, 3₂) IR³ | {₂€ Z } 21

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Q: 1

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