Below is a breakdown of the standard problem types found in of the Linear Algebra section, along with where you can find the full step-by-step text for each: Problem Structure for Kuznetsov (Linear Algebra)
In the 20th variant, you typically find 12 specific problems: kuznetsov reshebnik 20 variant lineinaia algebra
: Reducing a quadratic form to canonical form (Lagrange or Jacobi method). Below is a breakdown of the standard problem