Answer:
B) -15
Step-by-step explanation:
Answer:
<em>Triangle ABC is like a reflection to triangle AYZ. They are the same size and line AB are the same as line YA</em>
Step-by-step explanation:
Answer: 1/6^3 AND 1/216
Step-by-step explanation:
A negative number always goes to the denominator to become positive.
The key idea is that, if a vector field is conservative, then it has curl 0. Equivalently, if the curl is not 0, then the field is not conservative. But if we find that the curl is 0, that on its own doesn't mean the field is conservative.
1.

We want to find
such that
. This means



so
is conservative.
2.

Then




so
is conservative.
3.

so
is not conservative.
4.

Then




so
is conservative.