A) An even function
B) An odd function
C) Neither even nor odd function
D) None of these
Correct Answer: A
Solution :
[b] \[f\left( x \right)=(\underset{O}{\mathop{\underset{\downarrow }{\mathop{tan}}\,}}\,({{\underset{(O)}{\mathop{\underset{\downarrow }{\mathop{x}}\,}}\,}^{5}}))\text{ }{{\underset{{{e}^{O}}}{\mathop{\underset{\downarrow }{\mathop{e}}\,}}\,}^{{{x}^{3}}}}\underset{\times O}{\mathop{\underset{\downarrow }{\mathop{sgn}}\,}}\,\text{ (}{{\underset{(O)}{\mathop{\underset{\downarrow }{\mathop{x}}\,}}\,}^{7}}\text{)}\] \[=O\times {{e}^{O\times O}}=O\times {{e}^{E}}\] \[=O\times E=O.\]
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