Problem 5. Prove that if M and N are subspaces of a finite-dimensional vector space, then: a) (MON) = M° + Nº. b) (M+ N) M° N°.

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Problem 5. Prove that if M and N are subspaces of a finite-dimensional vector space, then:
a) (MAN) = M° + Nº.
Nº.
b) (M+N) = M°
Transcribed Image Text:Problem 5. Prove that if M and N are subspaces of a finite-dimensional vector space, then: a) (MAN) = M° + Nº. Nº. b) (M+N) = M°
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