), and Matrices/Determinants (solving systems of linear equations).
Prove by induction: 1² + 2² + … + n² = n(n+1)(2n+1)/6 - Base case: n=1 ✅ - Assume true for n=k - Show for n=k+1, using the assumption + algebra
), and Matrices/Determinants (solving systems of linear equations).
Prove by induction: 1² + 2² + … + n² = n(n+1)(2n+1)/6 - Base case: n=1 ✅ - Assume true for n=k - Show for n=k+1, using the assumption + algebra
