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Questions Tagged with "algebra precalculus" (Page 3)

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

Why do we consider the zeroes of the expression when solving rational inequalities?

2 answer

Mathematics Asked 3 years ago by Shaheer ziya

On odd perfect numbers $q^k n^2$ and the deficient-perfect divisor $q^{frac{k-1}{2}} n^2$

1 answer

Mathematics Asked 3 years ago by Jose Arnaldo Bebita Dris

Help finding a centre of a circle

5 answer

Mathematics Asked 3 years ago by BillyBob3234

A problem of matrix on the equation $x_1+x_2+cdots+x_n=d$

0 answer

Mathematics Asked 3 years ago by lsr314

Prove that for every integer $x$, if $x$ is odd then there exists an integer $y$ such that $x^2=4y+1$.

1 answer

Mathematics Asked 3 years ago

What is an intuitive approach to solving $lim_{nrightarrowinfty}biggl(frac{1}{n^2} + frac{2}{n^2} + frac{3}{n^2}+dots+frac{n}{n^2}biggr)$?

11 answer

Mathematics Asked 3 years ago

Is Basic Mathematics by Serge Lang rigorous?

1 answer

Mathematics Asked 3 years ago by bonsoir

Matrix-vector multiplication/cross product problem

1 answer

Mathematics Asked 3 years ago by Kurt Muster

Solving for positive reals: $abcd=1$, $a+b+c+d=28$, $ac+bc+cd+da+ac+bd=82/3$

5 answer

Mathematics Asked 3 years ago

Prove that $512^3 + 675^3 + 720^3$ is a composite number

1 answer

Mathematics Asked 3 years ago

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