Question

8. What is the degree of the determinant po
rs
(A) 1
(B) 3
(C) 4
(D) 2​

Answer 1

Answer:

By the basic property of a determinant, that it is 0 if two of its rows are the same, we can deduce that determinant of a VanderMonde matrix will be 0 when any two of its rows are the same. But that means that, as a polynomial, it must have (xi - xj) as a factor, for every I and j

Explanation:

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