Question

 x + y + z =

Solution

Correct option is

 

We have,

           

Taking dot products with  respectively, we get   

         

         

SIMILAR QUESTIONS

Q1
Q2

Volume of the parallelepiped with its edges represented by the vectors  

Q3

 If the vector  lies in the plane of , then x equals 

Q4

 

If  are non-coplanar vectors and pq are real numbers, then the equality

     holds for 

Q5

The value of 

Q6

 be three vectors. Then scalar triple product  is equal to

Q7

 

  

           

Q8

 

If  are three vectors such that  then

            

Q9
Q10

 then