Determinant nda pyqs

00:00 - Introduction & Question 1: Properties of Determinants (Delta1 + Delta2) 06:03 - Question 2: Vandermonde Determinant & Value Calculation 08:34 - Question 3: Conditions for a Determinant to Vanish 12:35 - Question 4: Determinant of Scalar Multiples (3x3 Matrix) 15:34 - Question 5: Collinear Points using Determinants 19:24 - Question 6: Property of Sum of Elements & Interchange 23:22 - Question 7: Identifying Identical Columns to Simplify 26:05 - Question 8: Consistency of System of Equations (K values) 29:39 - Question 9: Trigonometric Determinant Evaluation 30:29 - Question 10: Algebraic Substitution in Determinants 34:46 - Question 11: Common Factor Extraction from Columns 35:40 - Question 12: Expansion and Relationship with a + b + c 38:23 - Question 13: Logarithmic & Geometric Progression (GP) in Determinants 42:03 - Question 14: Maximum Value of a Determinant with Prime Numbers 44:37 - Question 15: Square Matrices and Commutative Determinants 46:26 - Question 16: Solving for x in a Determinant Equation 47:03 - Question 17: Evaluating f(-1), f(0), and f(1) for a Matrix Function 49:35 - Question 18: Sum of all Possible Determinants from a Set of Numbers 52:39 - Question 19: Element Formula Based (2i+j) Determinant 54:51 - Question 20: Number of K Values for a Singular Matrix 56:09 - Question 21: Solving x and y from Matrix Equality 58:09 - Question 22: Determinants with Complex Numbers (Iota) 1:00:06 - Question 23: Sign of a Determinant with Distinct Real Numbers 1:02:46 - Question 24: Properties of Adjoint Matrices 1:03:53 - Question 25: Factorial Based Determinant Calculation 1:05:19 - Question 26: Quadratic Equation from Determinants 1:07:33 - Question 27: Zero Determinant Condition (x+a+b+c=0) 1:08:22 - Question 28: Adjoint of a Matrix with Zero Columns 1:10:06 - Question 29: Complex Matrix Determinant & Linear Equations 1:12:28 - Question 30: Determinant of Transpose & Inverse Properties 1:14:01 - Question 31: Scalar Multiplication and Inverse Matrix Rules