[Linear Algebra] Rank Proof Examples

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We show that rank AB is less than or equal to rank A and rank AB is less than or equal to rank B.

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#LinearAlgebra #Algebra #UniversityMath #Lecture

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this nice but can u put video of rank(a)+rank(b)-n<rank(ab)

pankajmakwana
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why column space AB is a subspace of column space A ????

spfivut
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Actually you are confusing us
Rank = row rank(dimension of rowspace) = column rank(dimensions of column space)

mastrammeena