Curl is defined as:
Which can be rewritten as:
This is because C1 lies on the xy plane and thus it's unit vector will be 
.
By similar arguments the rest will follow too.
Now, area of each circle will be: 
Therefore, Curl, as per our definition will be:
Thus, Curl=
Which is the required answer.
- The commutative property is a number property where the answer obtained is the same no matter the position of the numbers you are multiplying together.
- Commutative property of multiplication is expressed as:
a x b = b x a
a x b x c = a x c x b = b x c x a
- Note: " . " in the question also means "x" (multiplication)
- Applying commutative property to the question:
(7/15)⋅(−11)⋅(30)
(7/15) ⋅ (−11) ⋅ (30) = (7/15) . (30) . (11)
The values interchanged are: 11 and 30. The result of the multiplication remains unchanged.
Option A is the correct answer.
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3 times 11 is 33 and then 4 times 6 is 24 then you add the 33+24 and the answer is 57 books in total to all the classrooms
11/12 has a greater value than 5/6
