Math Problem Statement

Calculeaza determinantul lui \begin{pmatrix}-\lambda &1&0\ 1&1-\lambda :&1\ 0&1&-\lambda :\end{pmatrix}

Solution

Determinantul unei matrice 3×33 \times 3 poate fi calculat folosind regula standard:

Determinant=a(eifh)b(difg)+c(dheg)\text{Determinant} = a(ei − fh) − b(di − fg) + c(dh − eg)

Pentru matricea dată:

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Math Problem Analysis

Mathematical Concepts

Linear Algebra
Matrix Determinants

Formulas

Determinant of a 3x3 matrix: det(A) = a(ei − fh) − b(di − fg) + c(dh − eg)

Theorems

Determinant Expansion by Minors

Suitable Grade Level

Grades 11-12