Dogdude5941 Dogdude5941

08-09-2016
Mathematics

Answered

some numbers can be expressed as the sum of a string of consecutive positive numbers which numbers have this property

Verified Answer :

apologiabiology apologiabiology

08-09-2016

k, so, lets add them up
1+2=3
1+2+3=6
1+2+3+4=10
1+2+3+4+5=15
1+2+3+4+5+6=21
1+2+3+4+5+6+7=28
etc

basically
all numbers 'x' such that
x=\(\frac{(n+1)(n+2)}{2}\) and n is the set of all natural numbers

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