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Polynomial Arithmetic
From profit/cost models to the flight of a baseball to approximating the motion of a wave, polynomials are a mathematical way to represent values which are sums of powers of variables.
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by
Chung Kevin
\[ \large ( \sqrt{\color{red}{60}} + \color{blue}3\sqrt{\color{blue}7})^2( \sqrt{\color{red}{60}} -\color{blue}3\sqrt{\color{blue}7})^2 = \ ?\]
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by
Cao Mạnh Khải
\[ \large x+\frac{1}{x} = 5, \quad\quad\quad x^2 + \frac{1}{x^2} = \ ? \]
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by
Anshul Sanghi
\[\large 10^x=(10^{624}+25)^2-(10^{624}-25)^2\]
What is the value of \(x\) that satisfies the equation above?
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by
Paola Ramírez
Which of the following equals \(\dfrac { { a }^{ 2 }-{ b }^{ 2 } }{ a-b } \) for \(a\neq b\)?
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by
Archit Boobna