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Jun
19
accepted About vector orthogonality with itself and implication in a subspace's complement.
Jun
18
accepted If a vector fulfils one condition in this theorem, does it automatically fulfil both?
Jun
17
accepted Understanding the orthogonal complement of a subspace.
Jun
16
accepted Determining that this basis is linearly independent with a variable
Jun
14
accepted What does the $t$ in $(x,y,z)^t$ mean?
Jun
2
accepted Creating groups with 10 men and 10 women.
Jun
2
accepted Creating teams with exactly two men and one woman, where the order matters.
Jun
2
accepted Choosing two colours of different tones.
Jun
1
accepted Counting when there are two inclusive conditions.
Jun
1
accepted Number of ways to form a 6-digit sequence with these constraints.
May
29
accepted Isolating $x$ from $y = (x-1)^2$
May
28
accepted If two planes in $\mathbb{R}^3$ pass by the origin, do they necessarily intersect at multiple points?
May
28
accepted Calculating a basis in $\mathbb{R}^4$.
May
28
accepted Does linear dependency have anything to do when determining a span?
May
27
accepted When proving if a subset is a subspace, can I prove closure under addition and multiplication in a single proof?
May
27
accepted Proving $||\vec{a}+\vec{b}|| = ||\vec{a}-\vec{b}|| \iff \vec{a} \perp \vec{b}$
May
27
accepted If $n$ vectors are linearly independent, is their span $\mathbb{R}^n$?
May
26
accepted Proving that three points don't belong to the same line.
May
26
accepted About finding points in a plane given its normal equation.
May
25
accepted About the orthogonal projection.