Please help I need help with this badly asap !
1 answer:
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Take the cross product of both sides of 
with 
to generate a system of three simultaneous equations.
since
for any vector 
.
Finally, use the fact that the cross product is anticommutative, i.e.
. The conclusion follows.
since
Finally, use the fact that the cross product is anticommutative, i.e.
Answer:
Multiply both sides by -6 to undo the operation of "division of -6" that is happening to x. This will isolate x and lead to the answer. Keep in mind that multiplying both sides by a negative number will flip the inequality sign.
The answer for your problem is shown on the picture.
