Limit of (x^5 – a^5)/(x^2 – a^2)?

This question was submitted by Sal via emailing me at Thanks! I encourage everyone to ask me questions if you need help =) Actual Question: “Hi, this is the problem: Find the Limit Lt          x^5  -  a^5 / x^2  -  a^2 x->a Read as find the limit as x approaches a of x raised to the … Continue reading »

What is the derivative of x^(x^(x^(x^…)))?

This question was submitted by @NestorAiros via Twitter. Thank you, Nestor! You have certainly come to the right place for your math questions! Congratulations on being the very first user question! Actual Question: “@CalculusTricks hey bro! Idon’t speak lot of english but here is myquestion,hope u understand: how i do differiancibility: y=x^x^x .. y’=?” Your … Continue reading »