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Iddifferenzja w.r.t. x
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\frac{x}{20}-40x
Ikkanċella l-akbar fattur komuni 10 f'400 u 10.
-\frac{799}{20}x
Ikkombina \frac{x}{20} u -40x biex tikseb -\frac{799}{20}x.
\frac{\mathrm{d}}{\mathrm{d}x}(\frac{x}{20}-40x)
Ikkanċella l-akbar fattur komuni 10 f'400 u 10.
\frac{\mathrm{d}}{\mathrm{d}x}(-\frac{799}{20}x)
Ikkombina \frac{x}{20} u -40x biex tikseb -\frac{799}{20}x.
-\frac{799}{20}x^{1-1}
Id-derivattiv ta' ax^{n} huwa nax^{n-1}.
-\frac{799}{20}x^{0}
Naqqas 1 minn 1.
-\frac{799}{20}
Għal kwalunkwe terminu t ħlief 0, t^{0}=1.