Essential skills for science and math review

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A graduate student returning to academia after a four-year break is seeking resources to refresh their math skills, particularly in calculus and related topics. They encountered difficulties with kinetic problems involving concentrations, specifically struggling with the manipulation of expressions like 1/x. The student expressed surprise at forgetting fundamental concepts and is looking for effective reference materials. A recommended resource is mathispower4u.com, which offers a comprehensive collection of short instructional videos covering a wide range of math topics from pre-algebra to first-year college mathematics, including calculus, differential equations, and linear algebra.
cosmicpuffycombs
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Hello,
I am in my first semester of graduate school after 4 years being out of school. I brushed up on calculus but some essentials are gone. I was doing kinetic problems and had to find concentrations. I automatically knew to get rid of ln x I need to use an exponential. My mind went blank when I saw 1/x. I had to google it after a couple minutes and it showed me 1/(1/x) to get x which I can't believe I forgot. Are there any good reference materials I can use to brush up on these kind of skills? I looked through a couple things like Langs Basic Mathematics but that wasn't even in there.
 
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I would suggest mathispower4u.com

Theres a whole collection of short videos on all topics of math from prealgebra to first year college ie calculus, diff eqns, and linear algebra.
 

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