Math Chapter Wise question with answer

Q01 The angle between the lines 2x = 3y = -z and 6x = -y = -4z is: English · EMRS PGT-2023 Q02 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 Q03 The angle between the lines whose direction cosines satisfy the equations l + m + n = 0 and 2lm + 2nl – mn = 0 is – English · UP PGT 2021 UPPCS (Pre) 2002 Q04 The acute angle between two lines, whose direction ratio are 2, 3, 6 and 1, 2, 2 is: English · UK SSSC LT 2020 Q05 The angle between the lines whose direction cosines are given by the equation 3 ℓ + m + 5n = 0 and 6mn –2n ℓ + 5 ℓ... English · UKPSC GIC 2018 Q06 The angle between the planes 2x + y + z = 7 and x – y + 2z = 9 is: English · NVS PGT 10-06-2019