derivative of x^(1/x),
implicit differentiation,
logarithmic differentiation,
calc 1 derivative problem,

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math for fun,

A maths test in New Zealand is causing a lot of controversy because many students felt it was too hard. The story is getting huge coverage in New Zealand and even in some British and American news outlets. In this video I share one of "impossible" questions…

In this video I calculate the integral of 1/(1+x^4) from 0 to infinity without using complex analysis, in an entirely elementary (but not easy!) way.

Diana Sasaki Os problemas de coloração em grafos modelam situações de conflito da vida real. Um destes, o problema de coloração total em grafos, é o principa...

limit of x^(1/x),
0^inf vs inf^0,
battle of limits,
indeterminate forms,
L'Hospital rule for limits,


math for fun,
blackpenredpen,