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New posts in algebra-precalculus
Why can a quartic polynomial never have three real and one complex root?
algebra-precalculus
polynomials
complex-numbers
roots
quartics
solving $\sqrt{3-\sqrt{3+x}}=x$.
algebra-precalculus
Minesweeper probability
probability
combinatorics
algebra-precalculus
algorithms
combinatorial-geometry
Can't solve quadratic function
algebra-precalculus
quadratics
What is really the purpose of $i$?
algebra-precalculus
examples of functions with vertical asymptotes in real life
algebra-precalculus
soft-question
graphing-functions
Why doesn't the quadratic equation contain $2|a|$ in the denominator?
algebra-precalculus
quadratics
How to show this fraction is equal to 1/2?
algebra-precalculus
Shortest distance from point to curve
calculus
linear-algebra
algebra-precalculus
Prove the following property of $f(x)$?
calculus
algebra-precalculus
functions
How to simplify a square root
algebra-precalculus
How to solve : $\,8^x=6x$
algebra-precalculus
$x-\frac1x+y-\frac1y=4\,$ has no rational solutions?
algebra-precalculus
polynomials
Why is $\sin\left[\arctan\left(\frac{x}{a}\right)\right] = \frac{x}{a\sqrt{\frac{x^2}{a^2} + 1}}$ true? [closed]
calculus
geometry
algebra-precalculus
trigonometry
How do we get from $\ln A=\ln P+rn$ to $A=Pe^{rn}$ and similar logarithmic equations?
algebra-precalculus
logarithms
How to algebraically solve $\frac{1}{x} < 5$ inequality to obtain two solutions? [duplicate]
algebra-precalculus
inequality
How to solve this determinant equation in a simpler way
linear-algebra
algebra-precalculus
determinant
Simplifying $\sqrt{4+2\sqrt{3}}+\sqrt{4-2\sqrt{3}}$
algebra-precalculus
radicals
nested-radicals
One lily pad, doubling in size every day, covers a pond in 30 days. How long would it take eight lily pads to cover the pond? [duplicate]
sequences-and-series
algebra-precalculus
Can there be more than one power series expansion for a function.
calculus
integration
sequences-and-series
algebra-precalculus
power-series
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