news Determine the value of h such that the matrix is the augmented matrix of a consistent linear system. Apr 09, 2026 0 views
news Is there proof show that $\log x$ is undefined and make no sense at $ x=0$? Apr 09, 2026 0 views
news For the graph of a rose ($r=\cos k\theta$), why d0es are there 2k petals for even values of k while only k petals for odd values of k? Apr 08, 2026 0 views