~RasionaL
→ 1 / ²√5 × (²√5 / ²√5)
→ ²√5 / 5
#Backtoschool2019
" Life is not a problem to be solved but a reality to be experienced! "
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~RasionaL
→ 1 / ²√5 × (²√5 / ²√5)
→ ²√5 / 5
#Backtoschool2019