# Questions Tagged with "algebra precalculus"

Explore solved questions tagged with "algebra precalculus" or help others by answering their unsolved questions related to "algebra precalculus".

## Positive integer solutions to $frac{1}{a} + frac{1}{b} = frac{c}{d}$

Mathematics Asked 8 months ago

## Find all integer values of $a$ such that $a^2 - 4a$ is a perfect square

Mathematics Asked 8 months ago by hardik-ddod

## Interesting connection between a word problem and a physics formula

Mathematics Asked 8 months ago

## When two quadratics seems to output the same values are they necessarily the same?

Mathematics Asked 8 months ago

## One number is removed from the set of integers from $1$ to $n.$ The average of the remaining numbers is $163/4.$ Which integer was removed?

Mathematics Asked 8 months ago by Drich1002

## Solving $0=sum_{T=0}^{L}(2u^2A-2Ou)$ for $O$

Mathematics Asked 8 months ago

## Finding $frac{cotgamma}{cot alpha+cotbeta}$, given $a^2+b^2=2019c^2$

Mathematics Asked 8 months ago

## Dependent Simultaneous Equations

Mathematics Asked 9 months ago

## Solve $x^2+3y = u^2$ and $y^2+3x=v^2$ in positive integers.

Mathematics Asked 9 months ago by The Demonix _ Hermit