Teaching BPSC 4.0 बिहार उच्च माध्यमिक शिक्षक भर्ती (PGT) Mock Test Mathematics Relations and Functions
If f(x) = \(\rm x^3-\frac{1}{x^3}\), then f(x) + f\(\rm (\frac{1}{x})\) is equal to
1
2x3
2
\(\rm 2\frac{1}{x^3}\)
3
0
4
More than one of the above
5
None of the above