Answer :
[tex]\frac{4}{6}=\frac{14}{21}[/tex]
Using the cross product, you get
[tex]4*21 = 6*14[/tex]
After multiplying through, you see that these two are the same.
Using the cross product, you get
[tex]4*21 = 6*14[/tex]
After multiplying through, you see that these two are the same.