2003 AIME

23 videos

2003 AIME II problem 1

VIDEO 6:08 minutes
2003 AIME II Problem 1

2003 AIME II problem 3

VIDEO 2:58 minutes
2003 AIME II Problem 3

Sum of factors of 27000

VIDEO 6:43 minutes

Sum of factors 2

VIDEO 10:54 minutes
Seeing the "formula" in the last method

2003 AIME II problem 5

VIDEO 8:14 minutes
Volume of a wedge cut from a cylindrical log

2003 AIME II problem 5 minor correction

VIDEO 2:27 minutes
2003 AIME II Problem 5 Minor Correction

Area circumradius formula proof

VIDEO 9:06 minutes
Proof of the formula relating the area of a triangle to its circumradius

2003 AIME II problem 6

VIDEO 17:42 minutes

2003 AIME II problem 7

VIDEO 13:13 minutes

2003 AIME II problem 8

VIDEO 12:08 minutes
Sequence from the product of 2 arithmetic sequences

Sum of polynomial roots (proof)

VIDEO 14:47 minutes
Sum of Polynomial Roots

Sum of squares of polynomial roots

VIDEO 14:26 minutes
Sum of Squares of Polynomial Roots (Newton Sums)

2003 AIME II problem 9

VIDEO 9:56 minutes
Sum of polynomial evaluated at roots of another polynomial

2003 AIME II problem 10

VIDEO 13:25 minutes
perfect squares integers square root

2003 AIME II problem 11

VIDEO 16:35 minutes
A little trigonometry to figure out the area of a triangle

2003 AIME II problem 12

VIDEO 9:36 minutes
Minimum members in a committee

2003 AIME II problem 13

VIDEO 16:13 minutes
Probability of moving to a vertex

2003 AIME II problem 14

VIDEO 18:18 minutes
Trigonometry and geometry to find the area of an equilateral (but not regular) hexagon

2003 AIME II problem 15 (part 1)

VIDEO 11:54 minutes
Finding the sum of the absolute value of the imaginary parts of the square of the roots of a crazy polynomial

2003 AIME II problem 15 (part 2)

VIDEO 11:33 minutes
Finding the sum of the absolute value of the imaginary parts of the square of the roots of a crazy polynomial

2003 AIME II problem 15 (part 3)

VIDEO 9:31 minutes
Finding the sum of the absolute value of the imaginary parts of the square of the roots of a crazy polynomial