Category: Matrices and Determinants

Question Number 74323 by arthur.kangdani@gmail.com last updated on 22/Nov/19 Commented by arthur.kangdani@gmail.com last updated on 22/Nov/19 $$\mathrm{Determine}\mathrm{the}\mathrm{inverse}\mathrm{of}\mathrm{the}$$$$\mathrm{matrix}\mathrm{of}AB+C!$$ Commented by mathmax by…

Question Number 8647 by tawakalitu last updated on 19/Oct/16 Commented by tawakalitu last updated on 19/Oct/16 $$\mathrm{please}\mathrm{reduce}\mathrm{the}\mathrm{following}\mathrm{into}\mathrm{echelon}$$$$\mathrm{form}.\mathrm{the}\mathrm{above}\mathrm{equation}.$$ Terms of Service Privacy…

Question Number 8080 by tawakalitu last updated on 29/Sep/16 Terms of Service Privacy Policy Contact: info@tinkutara.com

Question Number 7196 by Tawakalitu. last updated on 15/Aug/16 Answered by Rasheed Soomro last updated on 18/Aug/16 $$\left[\begin{array}{cccccccccc}1& 2& 3& 4& 5& 6& 7& 8& 9& 10\\ 10& 1& 2& 3& 4& 5& 6& 7& 8& 9\\ 9& 10& 1& 2& 3& 4& 5& 6& 7& 8\\ 8& 9& 10& 1& 2& 3& 4& 5& 6& 7\\ 7& 8& 9& 10& 1& 2& 3& 4& 5& 6\\ 6& 7& 8& 9& 10& 1& 2& 3& 4& 5\\ 5& 6& 7& 8& 9& 10& 1& 2& 3& 4\\ 4& 5& 6& 7& 8& 9& 10& 1& 2& 3\\ 3& 4& 5& 6& 7& 8& 9& 10& 1& 2\\ 2& 3& 4& 5& 6& 7& 8& 9& 10& 1\end{array}\right]$$$$Subtractingeachrow\left(startfrom2ndrow\right)frompreviousrow$$$$\left[\begin{array}{cccccccccc}-9& 1& 1& 1& 1& 1& 1& 1& 1& 1\\ 1& -9& 1& 1& 1& 1& 1& 1& 1& 1\\ 1& 1& -9& 1& 1& 1& 1& 1& 1& 1\\ 1& 1& 1& -9& 1& 1& 1& 1& 1& 1\\ 1& 1& 1& 1& -9& 1& 1& 1& 1& 1\\ 1& 1& 1& 1& 1& -9& 1& 1& 1& 1\\ 1& 1& 1& 1& 1& 1& -9& 1& 1& 1\\ 1& 1& 1& 1& 1& 1& 1& -9& 1& 1\\ 1& 1& 1& 1& 1& 1& 1& 1& -9& 1\\ 2& 3& 4& 5& 6& 7& 8& 9& 10& 1\end{array}\right]$$$${Again}\:{subtracting}\:{each}\:{row}\:{from}\:{previous}\:{row} \…

Question Number 6251 by net last updated on 20/Jun/16 $$3x-2y-4z=2$$$$3y-4z=-2$$$$2y+6z=-1$$ Answered by Rasheed Soomro last updated on 20/Jun/16 $$\mathrm{3}{x}−\mathrm{2}{y}−\mathrm{4}{z}=\mathrm{2}………\left({i}\right)…