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New posts in algebra-precalculus
Number of real roots for $x^4+5|x^3|+3x^2+20|x|+10=0$ are?
algebra-precalculus
polynomials
What should I try to learn from Polya's "How to Solve It"?
calculus
algebra-precalculus
reference-request
soft-question
problem-solving
Evaluating $\sqrt{1+\sqrt{2 - \sqrt{3 + \sqrt{4 - \cdots}}}}$
sequences-and-series
algebra-precalculus
nested-radicals
Prove this number fact
algebra-precalculus
Injective functions also surjective?
algebra-precalculus
functions
$\sqrt{m_1}+\sqrt{m_2}+ \cdots + \sqrt{m_n}$ is Irrational
algebra-precalculus
number-theory
irrational-numbers
Prob. 6 (d), Chap. 1, in Baby Rudin, 3rd ed: How to complete this proof?
calculus
real-analysis
algebra-precalculus
analysis
Study the injectivity and surjectivity of the function f
algebra-precalculus
functions
Why is $y = \sqrt{x-4}$ a function? and $y = \sqrt{4 - x^2}$ should be a circle
algebra-precalculus
functions
graphing-functions
relations
Proportional to 2 Separate Variables vs. Proportional to Product of 2 Variables
algebra-precalculus
Solving a polynomial in an easier manner
algebra-precalculus
polynomials
roots
Proving that the number $\sqrt[3]{7 + \sqrt{50}} + \sqrt[3]{7 - 5\sqrt{2}}$ is rational
algebra-precalculus
Given that $x+\frac{1}{x}=\sqrt{3}$, find $x^{18}+x^{24}$ [closed]
algebra-precalculus
Is $\prod_{1\leq i< j\leq n} \frac{a_i - a_j}{i-j}$, with distinct integers $a_i$, an integer?
combinatorics
algebra-precalculus
geometry
number-theory
Interesting negative decimal number notation
algebra-precalculus
logarithms
How to solve equations with two unknown computationally? [closed]
algebra-precalculus
Solve $\cos^{n}x-\sin^{n}x=1$ with $n\in \mathbb{N}$.
algebra-precalculus
trigonometry
Evaluate the Sum $\sum_{i=0}^\infty \frac {i^N} {4^i}$ [duplicate]
sequences-and-series
algebra-precalculus
How to sum $\frac1{1\cdot 2\cdot 3\cdot 4} + \frac4{3\cdot 4\cdot 5\cdot 6} + \frac9{5\cdot 6\cdot 7\cdot 8} + \cdots$ quickly?
sequences-and-series
algebra-precalculus
Sum of roots rational but product irrational
algebra-precalculus
polynomials
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