Consider 4 matrics A, B, C, and D of dimensions 10 × 9, 9 × 12, 12 × 10, and 10 × 15, respectively. Which of the following is/are true about the number of scalar multiplications required to find the product ABCD using the basic matrix multiplication method?
1
Minimum number of scalar multiplication is 3480
2
Distinct number of ways to multiply ABCD is 5
3
Maximum number of scalar multiplication is 4680
4
Sum of Minimum and maximum number of scalar multiplication is 8160