Zol Tun Kul
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 Jun17 accepted Understanding the orthogonal complement of a subspace. Jun16 accepted Determining that this basis is linearly independent with a variable Jun14 accepted What does the $t$ in $(x,y,z)^t$ mean? Jun2 accepted Creating groups with 10 men and 10 women. Jun2 accepted Creating teams with exactly two men and one woman, where the order matters. Jun2 accepted Choosing two colours of different tones. Jun1 accepted Counting when there are two inclusive conditions. Jun1 accepted Number of ways to form a 6-digit sequence with these constraints. May29 accepted Isolating $x$ from $y = (x-1)^2$ May28 accepted If two planes in $\mathbb{R}^3$ pass by the origin, do they necessarily intersect at multiple points? May28 accepted Calculating a basis in $\mathbb{R}^4$. May28 accepted Does linear dependency have anything to do when determining a span? May27 accepted When proving if a subset is a subspace, can I prove closure under addition and multiplication in a single proof? May27 accepted Proving $||\vec{a}+\vec{b}|| = ||\vec{a}-\vec{b}|| \iff \vec{a} \perp \vec{b}$ May27 accepted If $n$ vectors are linearly independent, is their span $\mathbb{R}^n$? May26 accepted Proving that three points don't belong to the same line. May26 accepted About finding points in a plane given its normal equation. May25 accepted About the orthogonal projection. May23 accepted What does the dot product of two vectors represent? May22 accepted Calculating the area of a triangle defined in $\mathbb{R}^3$