mata22MATA22 is a pretty proof heavy ar algebra course from what I've heard. Apparently the calculus courses that management students take don't teach proofs, and the majority ofMATA22 Quiz Solutions Summer 2025 MATA22 - ar Algebra for Mathematical Sciences Quiz 1 Solutions 1. Prove that −(−v) = v for every v ∈ V , where V is a vector space. Solution: −(−v)