JEE Main 2023 Mathematics question
Let A(–1, 1, 1) C(1, –1, 1) and D(2, –1, ) be four distinct points on a plane. If the direction ratios of the lines AC and AD are –2, 6, –3 and 2, 0, respectively, then a value of is
Answer: (C)
Let A(–1, 1, 1) C(1, –1, 1) and D(2, –1, ) be four distinct points on a plane. If the direction ratios of the lines AC and AD are –2, 6, –3 and 2, 0, respectively, then a value of is