Given $c \gt 1$:
Since $c \gt 1 \gt 0$, $c$ is strictly positive.
Multiplying both sides of the inequality $1 \lt c$ by $c$ yields:
- ($c^2 \lt c$) is false since $c \lt c^2$.
- ($c^2 \lt 1$) is false since $c \gt 1 \implies c^2 \gt 1$.
- ($c^{-1} \gt 1$) is false since $c \gt 1 \implies \frac{1}{c} \lt 1$.
दिया है $1 \lt c$:
चूंकि $c \gt 1$ धनात्मक है, असमिका के दोनों पक्षों को $c$ से गुणा करने पर: