JEE Main 2025 Mathematics question
If the components of along and perpendicular to respectively, are and , then is equal to :
Answer: (4)
Solution
. So α=4, β=1, γ=–3, sum of squares = 16+1+9 = 26
If the components of along and perpendicular to respectively, are and , then is equal to :
. So α=4, β=1, γ=–3, sum of squares = 16+1+9 = 26