Q.If ˆ ˆ ˆ a,b,c are unit vectors and ˆ ˆ ˆ a b c 0 + + = + + = + + = + + = then ˆ ˆ ˆ ˆ ˆ ˆ a b b c c a ⋅ + ⋅ + ⋅ ⋅ + ⋅ + ⋅ ⋅ + ⋅ + ⋅ ⋅ + ⋅ + ⋅ is?
Correct answer: −3/2
Permanent question page
Question #46,872
Math Chapter Wise question with answer
Read, practise, and share this question using its permanent link.