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Site title: The Math Doctors – Continuing the Mentoring Tradition of Ask Dr. Math ™
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A recent question reminded me that we haven’t yet covered completing the square, a technique important for solving quadratic equations, and also in several other applications. We’ll see the traditional method, and a modified method that avoids fractions, including a nice alternative to the quadratic formula.
A simple exampleWe’ll start with a basic question fr...
A question came in just this month, closely related to the last question in the post When Is an Improper Integral Not an Improper Integral? last April. There, we considered an integral where substitution led to a new integral with lim...
The start of a new year seems like a good time to take a look at the big picture. A question from September raises a big topic: What is mathematics, in general? What does all math – arithmetic, algebra, geometry, trigonometry, calculus, and beyond – have in common?
What does it mean to do math?Eh Doh Kue asked this:
I would like to know what all of math...