HI guys ,

I have been having problem with the attached question,

i can solve the first situation from my problem
otherwise, i can't solve them due to presence negative sign !!!!...

Is there any way to solve It clearly??

 

If c = a x b, then in terms of c what are

-a x b ?

a x -b ?

-a x -b ?

Either work them through explicitly or use the right hand rule.

Now apply this to your problem.

 

I Don't understand
i Don't understand this method
I want to clear explanation with examples...

 

Vectors:

a = ax*i + ay*j + az*k
b = bx*i + by*j + bz*k

What is (a x b)?

If you can't do that, then you need to go learn what the cross product is and how to take one.

 

i can solve it

 

Good! Glad you got it.

 

Good! Glad you got it.

Thank you once again