engineering recuitment PGCIL Diploma Trainee Mock Test 2024 Quantitative Aptitude Simplification Surds and Indices
If x be any integer different from zero and m be any positive integer, then x-m is equal to
1
xm
2
–xm
3
\(\frac{1}{x^m}\)
4
\(\frac{-1}{x^m}\)