DeterminantHard

Question

Let A = such that det(A) = r where p, q, r all prime numbers, then trace of A is equal to

Options

A.6
B.5
C.2
D.3

Solution

p2 - q2 = r    p = 3     q = 2, r = 5

Create a free account to view solution

View Solution Free
Topic: Determinant·Practice all Determinant questions

More Determinant Questions

If a, b, c are pth, qth and rth terms of a GP, then is equal to -...If a, b & c are non-zero real numbers, then D = =...If A = , then adj A =...If = 0, then value of x are-...Let A and B be two 2 × 2 matrix with real entries. If AB = O and tr(A) = tr(B) = 0 then...