Let for a triangle ABC,  AB = −2 i ˆ + j ˆ + 3 k ˆ  CB =  i ˆ +  j ˆ +  k ˆ  CA = 4 i ˆ + 3 j ˆ +  k ˆ If  0 and the area of the triangle ABC is 5 6 , then  CB   CA is equal to :

Question

Let for a triangle ABC,  AB = −2 i ˆ + j ˆ + 3 k ˆ  CB =  i ˆ +  j ˆ +  k ˆ  CA = 4 i ˆ + 3 j ˆ +  k ˆ If  > 0 and the area of the triangle ABC is 5 6 , then  CB   CA is equal to :

Accepted Answer

60

Let for a triangle ABC,  AB = −2 i ˆ + j ˆ + 3 k ˆ  CB =  i ˆ +  j ˆ +  k ˆ  CA = 4 i ˆ + 3 j ˆ +  k ˆ If  > 0 and the area of the triangle ABC is 5 6 , then  CB   CA is equal to :

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