Math Chapter Wise Matrices And Determinants English MCQ UP TGT-2016 (08-03-2019) Q.If 1 3 x 2 A 1 x 2 y 1 2 5 y 3 + = − + = − + = − + = − + − is a symmetric matrix, then 3x+y is equal to A–1 B0 C1 DNone of the above Show answer Correct answer: –1