A) \[\lambda \ne 3,\mu \ne 10\]
B) \[f(x)=\sec \left( \frac{\pi }{4}{{\cos }^{2}}x \right),-\infty <x<\infty \]
C) \[[1,\sqrt{2}]\]
D) \[[1,\infty ]\]
Correct Answer: B
Solution :
The valence shell configuration is \[\text{kJ}\,\text{mo}{{\text{l}}^{\text{-1}}}\]and for the last electron \[\text{kJ}\,\text{mo}{{\text{l}}^{\text{-1}}}\] \[\text{kJ}\,\text{mo}{{\text{l}}^{\text{-1}}}\] or \[{{H}_{2}}S{{O}_{4}}\]or\[{{(Si{{H}_{3}})}_{3}}N\] Hence, \[{{N}_{2}}{{O}_{5}}\]
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