Math Chapter Wise question with answer

Q01 If A, B and C are angles of a triangle, then the determinant 1 cosC cosB cosC 1 cos A cosB cos A 1 is equal to– English · SECTION B PGT TIER-I 31.11.2014 Q02 If the matrix A is such that 2 A 4 7 = − [1 9 5] then the determinant of A is equal to– English · JDD-75-PGT TIER II-X-15 28.06.2015 Q03 Let 2 0 0 A 0 2 0 0 0 2 = and 1 2 3 B 0 1 3 0 0 2 = be matrices. Then the determinant of AB equals: English · NVS PGT 10-06-2019 Q04 If w is a complex root of unity then the determinant 2 2 2 1 1 i w w 1 i 1 w 1 i i w 1 1 + + − − − − − − − − − − −... English · UP PCS (Pre) 1998 Q05 If the determinant of an n-square matrix A is 3 and determinant of Adjoint of A is 243, then n is equal to English · UP PCS (Pre) 2002 Q06 If P be a 3×3 matrix whose determinant value is 10, then the determinant value of the matrix –3P is - English · RPSC PGT 2022