Whakaoti mō f
f=-\frac{x}{50}+1.4+\frac{57}{10x}
x\neq 0
Whakaoti mō x
x=25\sqrt{f^{2}-\frac{14f}{5}+2.416}-25f+35
x=-25\sqrt{f^{2}-\frac{14f}{5}+2.416}-25f+35
Graph
Tohaina
Kua tāruatia ki te papatopenga
xf=-\frac{x^{2}}{50}+\frac{7x}{5}+5.7
He hanga arowhānui tō te whārite.
\frac{xf}{x}=\frac{-\frac{x^{2}}{50}+\frac{7x}{5}+5.7}{x}
Whakawehea ngā taha e rua ki te x.
f=\frac{-\frac{x^{2}}{50}+\frac{7x}{5}+5.7}{x}
Mā te whakawehe ki te x ka wetekia te whakareanga ki te x.
f=-\frac{x}{50}+\frac{7}{5}+\frac{57}{10x}
Whakawehe -\frac{x^{2}}{50}+\frac{7x}{5}+5.7 ki te x.
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