Top network posts

• 16 easier way of calculating the determinant for this matrix
• 15 Prove/disprove: if $\det(A+X) = \det(B + X)$ for all $X$, then $A=B$
• 15 Proving that $\frac{(k!)!}{k!^{(k-1)!}}$ is an integer
• 10 Prove that if $A$ is diagonalizable then there is a matrix $B$ such that $B^{2012} = A$
• 10 Prove that in a tree with maximum degree $k$, there are at least $k$ leaves
• 9 Find the minimum gap between two numbers in an AVL tree
• 9 If all edges are of equal weight, can one use BFS to obtain a minimal spanning tree?
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