1. Consider the three vectors, u and v are 10 degrees above andbelow the x-axis respectively, and ||u|| = 1, ||v|| = 2, and ||w||= 3. Arrange the dot products taken among these vectors from leastto greatest
2. Let A be a 4 x 6 matrix. Find the elimination matrix E thatcorresponds with the row operation "switch rows 1 and 3, and scalerow 4 by a factor of 6.
3. Find the formula for the entry in the ith row and j column ofthe product AB in terms of the entries of A and B. Assume A is m xn and B is n x p.