" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
= - 1/1² + 1/1³
= - 1 + 1
= 0
bedakan antara
(-1)⁻² = 1/(-1)² = 1
dengan
- 1⁻² = - 1/1² = - 1