Summary Linear Algebra Complete Exam Cheat Sheet (Vectors, ℝⁿ, Dot Product, Projections, Subspaces, Basis, Rank & Examples)

his premium Linear Algebra cheat sheet provides a clear, structured, and exam-ready summary of all essential topics covered in university Linear Algebra (CS104). It includes: • Vectors in ℝⁿ (notation, operations, geometry) • Norms, unit vectors, distance, and normalization • Dot product and angle formulas • Orthogonality, orthogonal decomposition, and projections • Subspaces, spanning sets, linear combinations • Basis and dimension explained simply • Linear independence tests • Matrices, column space, nullspace • Rank–Nullity Theorem • 3 fully solved exam-style example problems All mathematical symbols are rendered correctly (ℝⁿ, v₁, v₂, θ, √). Designed for fast revision before midterms and finals. Perfect for Engineering, Mathematics, and Computer Science students.