\[\boxed{\text{1246.\ }\text{еуроки}\text{-}\text{ответы}\text{\ }\text{на}\text{\ }\text{пятёрку}}\]
\[y = x^{- 1},\ \ x > 0\]
\[x\] | \[1\] | \[2\] | \[\frac{1}{2}\] | \[\frac{1}{4}\] |
---|---|---|---|---|
\[y\] | \[1\] | \[\frac{1}{2}\] | \[2\] | \[4\] |
\[y = x^{- 2},\ \ x > 0\]
\[x\] | \[1\] | \[2\] | \[\frac{1}{2}\] | \[\frac{1}{4}\] |
---|---|---|---|---|
\[y\] | \[1\] | \[\frac{1}{4}\] | \[4\] | \[16\] |
\[\textbf{а)}\ 0 < x < 1 \Longrightarrow x^{- 2} > x^{- 1}.\]
\[\textbf{б)}\ x > 1 \Longrightarrow x^{- 1} > x^{- 2}.\]