A reader sent in this question: “ Hi. I was wondering if you could help me figure out finding a complex root problem. If you could explain how it's done that would be great The simple, easy solution ...

Everyone learns (and some readers maybe still remember) the quadratic formula. It’s a pillar of algebra and allows you to solve equations like Ax 2 +Bx+C=0. But just because you’ve used it doesn’t ...

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Preparation for any exam is a rigorous process that requires an overall understanding of all the concepts and topics mentioned in a chapter. This can be achieved by a thorough learning of each topic ...