Online calculator to calculate the dimensions (length<span> and </span>width<span>) of a rectangle given the area A and perimeter P of the rectangle. Then these equations are solved for L and W which are the </span>length<span> and </span>width<span> of the rectangle. Enter the perimeter P and area A as positive real numbers and press "enter".</span>
In three dimensions, the cross product of two vectors is defined as shown below

Then, solving the determinant

In our case,

Where we used the formula for AxB to calculate ixj.
Finally,

Thus, (i+j)x(ixj)=i-j
Answer:
4
Step-by-step explanation:
you can do
horizontal
diagonal (both ways)
vertical
Arithmetic sequences have a common difference (addition)
geometric sequences have a common ratio (multiplication)