Ask and Speak Mathematics

"If people do not believe that mathematics is simple, it is only because they do not realize how complicated life is. ” J. von Neumann

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Nice exercise with nice tech

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 Exercise: Determine the values of $a\And b$ such that ${{\left( \frac{1+\sqrt{5}}{2} \right)}^{12}}=a+b\sqrt{5}$ Solution: Let $u=\fr...

Nice exercise -Secondary Classes -Exams

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Exercise: Solve in $\mathbb{R}$, 1)       $\sqrt{x}-\left| x-2 \right|<1$ 2)       ${{\sin }^{4}}x+{{\cos }^{4}}x=1$ 3)      ...

Nice exercise to review Riemann sum

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Exercise: Evaluate the following $\underset{n\to \infty }{\mathop{\lim }}\,\frac{\sqrt[{{n}^{2}}]{\prod\nolimits_{k=1,2,...,n}{k!}}}{\...

Equation with radicals asked by Husni Elayyan Madarseh Madarseh in math group معلمو الرياضيات محافظة قلقيلية

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Exercise: Solve in $\mathbb{R}$, $x=\sqrt{21-\sqrt{21+x}}$ Solution: In order to crack this equation we will use zero trick So that, $x=\...

Nice exercise include all levels for high school

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Exercise: Show that, the ratio of AB over BC is golden ratio if an only if the quadrilateral of side $AB$ is square in the right fig...
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