Math Chapter Wise question with answer

Q01 The angle between the planes 2x + y + z = 7 and x – y + 2z = 9 is: English · NVS PGT 10-06-2019 Q02 The angle between the planes given by combined equation 6x2 +4y2 –10z2 +3yz+4zx–11xy=0 is equal to English · Rajasthan TGT 2016 Q03 The angle between the planes 2x–y+z=13 and x+y+2z=9 is English · Jharkhand TGT 2017 Q04 The angle between the pair of planes 2 2 2 2x 6y 12z 18yz 2zx xy 0 is– English · UP PCS (Pre) 1996 GIC 2015 Q05 The angle between the lines 2x = 3y = -z and 6x = -y = -4z is: English · EMRS PGT-2023 Q06 The angle between the two lines x 2 y 1 z 3 2 7 3 − + − + = − − and x 2 2y 8 z 5 1 4 4 + − − = − is: English · KVS PGT 2023