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Problemi Simili mit-Tiftix tal-Web

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\frac{9\times 2}{2x}
Immultiplika \frac{9}{2} b'\frac{2}{x} billi timmultiplika n-numeratur bin-numeratur u d-denominatur bid-denominatur.
\frac{9}{x}
Annulla 2 fin-numeratur u d-denominatur.
\frac{\mathrm{d}}{\mathrm{d}x}(\frac{9\times 2}{2x})
Immultiplika \frac{9}{2} b'\frac{2}{x} billi timmultiplika n-numeratur bin-numeratur u d-denominatur bid-denominatur.
\frac{\mathrm{d}}{\mathrm{d}x}(\frac{9}{x})
Annulla 2 fin-numeratur u d-denominatur.
-9x^{-1-1}
Id-derivattiv ta' ax^{n} huwa nax^{n-1}.
-9x^{-2}
Naqqas 1 minn -1.