defence exam Indian Navy Fireman/Fire Engine Driver Mock Test 2024 Quantitative Aptitude Simplification Surds and Indices
What is the value of \(\left[ {\frac{{{a^{2m}}}}{{{a^m}\; + \;{a^{ - n}}}}\; + \;\frac{1}{{{a^{ - m}}\; + \;{a^n}}}} \right]\)?
1
am – n
2
am + n
3
an
4
am