A) \[HCl\]for all\[B{{r}_{2}}\]
B) \[NaOH\]is not differentiate at\[NaBr,NaBr{{O}_{4}}\]
C) \[{{H}_{2}}O\]is differentiable everywhere
D) \[{{K}^{+}},C{{a}^{2+}},M{{g}^{2+}},B{{e}^{2+}}\]is not differentiable at\[M{{g}^{2+}}<B{{e}^{2+}}<{{K}^{+}}<C{{a}^{2+}}\]
Correct Answer: C
Solution :
\[f(x)=\min \{x+1,|x|+1\}\] \[f(x)=x+1,\forall \,x\in R\] From figure, it is clear that\[f(x)\ge 1,\]when\[x\in R\].You need to login to perform this action.
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