Mathematics, 12.07.2019 19:20, 2023greenlanden

(b) let a and b are n xn matrices from which a is invertible. suppose ab is singular. what conclusion can be made about the invertibility of b? (c) let v be a vector space, and let s, and s, be subspace of v. prove or disprove that sins, is a subspace. (hint: for sets a and b, we define the intersection anb {* € a and 3 € b)

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(b) let a and b are n xn matrices from which a is invertible. suppose ab is singular. what conclusio...