si118yt118si (61)in #steemit • 3 years agojoke: A female teacher 👩 was having a problem with her 3rd grade boy👨🎓 ...si118yt118si (61)in #steemit • 3 years agoAlternate way: permutation Show nP(n-2) = n/2 (n-1)P(n-2)si118yt118si (61)in #steemit • 3 years agoriddle: Maker & buyer knows the item BUT user doesn't know the itemsi118yt118si (61)in #steemit • 3 years agosecurity: "Mickey mouse" Phishing Attack Exploit examplesi118yt118si (61)in #steemit • 3 years agomusic: Big Cat Eat Fishsi118yt118si (61)in #steemit • 4 years agoIntegral ∫ sin(1x) sin(2x) sin(3x) dxsi118yt118si (61)in #steem • 4 years agoShow n (n-1)C(r-1) = (n-r+1) nC(r-1)si118yt118si (61)in #steem • 4 years ago5th/5 ways: summation ∑(2i-1) = n^2 [i=1 to n]si118yt118si (61)in #steemit • 4 years ago3rd/4 ways: summation ∑(2i-1) = n^2 [i=1 to n] via visualsi118yt118si (61)in #steem • 4 years agoShow a) sinh(i z) = i sin(z) b) cosh(i z) = cos(z) c) tanh(i z) = i tan(z) where z complexsi118yt118si (61)in #steem • 4 years agoVisual Proof: 1+2+3+...+(n-1) + n +(n-1)+ ... +3+2+1 = n^2si118yt118si (61)in #steem • 4 years agojoke: Show offsi118yt118si (61)in #steem • 4 years agoFind derivative du/dx if u=cos(x^2+y^2) & a^2x^2+b^2y^2=c^2si118yt118si (61)in #steem • 4 years agoIf u=x^y then ∂u/∂x & ∂u/∂y? plus "bonus" side-notesi118yt118si (61)in #steem • 4 years agoIf u=3 x^2 yz + 5 x^2 y^2 + 4 z^4 then x∂u/∂x + y∂u/∂y + z ∂u/∂z =?si118yt118si (61)in #steem • 4 years agoIn Water No One Can Hear You Scream.si118yt118si (61)in #steem • 4 years agoCome! Young man I will take you across the road safely.si118yt118si (61)in #steem • 4 years agoWishing you a Happy & Prosperous Lunar New Year 2021 [Year of the Ox]si118yt118si (61)in #steem • 4 years agoHokkien Initialism [KNN, KNS, LPPL, CBL, ...]si118yt118si (61)in #steem • 4 years agoHouston ... We Made It Inside! ...
