Math Chapter Wise question with answer

Q01 If A and B are two matrices such that AB = B and BA = A, then A2 + B2 is equal to English · UP TGT 2021 Q02 If A = 1 2 and B = [2 3] are two matrices then (AB)–1 will be– English · PGT 2013 Q03 A, B are two square matrices of same order 3 and det A=2, det B= 3, then det (2AB) is equal to English · PGT 2005 Q04 If a 0 A 1 1 = and 1 0 B 5 1 = are two matrices, then value of a for which A2 =B is English · Rajasthan TGT 2011 Q05 If –1, 0 and 1 are the elements of two matrices A and B of order 1×3 and of order 3×1 respectively, then AB equals: English · UP PCS (Pre) 1998 Q06 If A and B are two non-singular matrices of the same order then– English · UP PCS (Pre) 1995