Vectors Math Help (solution check)

[amy098yay]

Homework Statement

Use three specific vectors in 3 space to show that ⃗ a ×(b⃗ ×c⃗ ) ≠ (a⃗ ×b⃗ )×c⃗

solution is in pdf...

Homework Equations

The Attempt at a Solution

 

[Mark44]

Homework Statement

Use three specific vectors in 3 space to show that ⃗ a ×(b⃗ ×c⃗ ) ≠ (a⃗ ×b⃗ )×c⃗

solution is in pdf...

Homework Equations

The Attempt at a Solution

Looks good now.
For future reference, you can check your answers. a x (b x c) should be perpendicular to both a and a x c. Just calculate the dot product of a and a x (b x c), and of (b x c) and a x (b x c). Each dot product should be zero. Same thing with the other triple product.

 

[amy098yay]

for sure, thank you so much for taking time out of your day to help me with this problem :)

 

[Mark44]

You're welcome! Most of us helping out here like to do this...