Aromātai
-\frac{17}{14}\approx -1.214285714
Tauwehe
-\frac{17}{14} = -1\frac{3}{14} = -1.2142857142857142
Tohaina
Kua tāruatia ki te papatopenga
2^{-1}+\left(\frac{2}{3}-2^{-1}\left(\left(\frac{2}{3}\right)^{-1}+5^{0}\right)\right)^{-1}
Hei whakarea i ngā pū o te pūtake kotahi, me tāpiri ō rātou taupū. Tāpiria te -2 me te 1 kia riro ai te -1.
\frac{1}{2}+\left(\frac{2}{3}-2^{-1}\left(\left(\frac{2}{3}\right)^{-1}+5^{0}\right)\right)^{-1}
Tātaihia te 2 mā te pū o -1, kia riro ko \frac{1}{2}.
\frac{1}{2}+\left(\frac{2}{3}-\frac{1}{2}\left(\left(\frac{2}{3}\right)^{-1}+5^{0}\right)\right)^{-1}
Tātaihia te 2 mā te pū o -1, kia riro ko \frac{1}{2}.
\frac{1}{2}+\left(\frac{2}{3}-\frac{1}{2}\left(\frac{3}{2}+5^{0}\right)\right)^{-1}
Tātaihia te \frac{2}{3} mā te pū o -1, kia riro ko \frac{3}{2}.
\frac{1}{2}+\left(\frac{2}{3}-\frac{1}{2}\left(\frac{3}{2}+1\right)\right)^{-1}
Tātaihia te 5 mā te pū o 0, kia riro ko 1.
\frac{1}{2}+\left(\frac{2}{3}-\frac{1}{2}\times \frac{5}{2}\right)^{-1}
Tāpirihia te \frac{3}{2} ki te 1, ka \frac{5}{2}.
\frac{1}{2}+\left(\frac{2}{3}-\frac{5}{4}\right)^{-1}
Whakareatia te \frac{1}{2} ki te \frac{5}{2}, ka \frac{5}{4}.
\frac{1}{2}+\left(-\frac{7}{12}\right)^{-1}
Tangohia te \frac{5}{4} i te \frac{2}{3}, ka -\frac{7}{12}.
\frac{1}{2}-\frac{12}{7}
Tātaihia te -\frac{7}{12} mā te pū o -1, kia riro ko -\frac{12}{7}.
-\frac{17}{14}
Tangohia te \frac{12}{7} i te \frac{1}{2}, ka -\frac{17}{14}.
Ngā Tauira
whārite tapawhā
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\left[ \begin{array} { l l } { 2 } & { 3 } \\ { 5 } & { 4 } \end{array} \right] \left[ \begin{array} { l l l } { 2 } & { 0 } & { 3 } \\ { -1 } & { 1 } & { 5 } \end{array} \right]
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Whakarerekētanga
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Whakaurunga
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\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}