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Free study guides and discussions about various topics in Mathematics. Thanks for stopping by!

An infinite series problem, two ways

I got this interesting problem from Reddit’s r/Calculus group.

Does the following series converge or diverge? Choose the appropriate test and use it:
$$S=\sum_{n=1}^{\infty} \dfrac{3}{\sqrt{5n-4}}$$

Check out the solution HERE!

An advanced factoring trick for a tough limit problem

A challenging trig limit with a cool algebra trick