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
THE TABLE SHOWS THE PRICES FOR CASES OF BOTTLED WATER AT THREE LOCAL RETAILERS. WHICH RETAILER OFFERS THE BEST PRICE PER BOTTLE
OF WATER AND WHAT IS THEIR PRICE PER BOTTLE?
1 answer:
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