Let M = A= pmatrix a&b &d pmatrix :a,b,c,d 3, 2, 1,0 Define f:M Z, as f(A) = det(A), for all A , where Z is...

Question

Let M = A= pmatrix a&b &d pmatrix :a,b,c,d 3, 2, 1,0 Define f:M Z, as f(A) = det(A), for all A , where Z is set of all integers. Then the number of A such that f(A) = 15 is equal to__________.

Accepted Answer

16

JEE Main 2021 Mathematics question

Solution