30-11-2014
Mathematics

contestada

what is an equation that is true for every value

Respuesta :

30-11-2014

Here's one:
(x + 1) (x - 1) = x² - 1

Another one:
x³ / x(x²) = 1

How about (x² + 6x - 17)⁰ = 1

Or triggily: sin²(x) + cos²(x) = 1

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