Consider an n m matrix a = qr, where q is an n m matrix with orthonormalcolumns and r is an uppertriangular m m matrix with positive diagonalentries .express det(ata) in terms of the scalarsrii. what can you say about the sign ofdet(ata)?
Asandwich shop has 18 tables. each table seats up to 4 people. to find the greatest number of people that can be seated, you can solve p4 ≤ 18. which step is the best way to solve the inequality? plz asap i repeat plz
Use mathematical induction to prove the statement is true for all positive integers n, or show why it is false. 1^2 + 4^2 + 7^2 + + (3n - 2)^2 = [n(6n^2-3n-1)/2]