MCQ
“If $p$ then $q”$ is true when $.............$
- A$p \Rightarrow q$
- B$q \Rightarrow p$
- C$p \Rightarrow$ not $q$
- ✓both $p \Rightarrow q$ and $q \Rightarrow p$
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$(I)$ If $\alpha \in(-1,0)$, then $\mathrm{b}$ cannot be the geometric mean of $\mathrm{a}$ and $\mathrm{c}$
$(II)$ If $\alpha \in(0,1)$, then $\mathrm{b}$ may be the geometric mean of $a$ and $c$