You obviously have no idea what algebra is.
the value of 1n could be anything, depending on the equation you are given.
if 2n is equal to 10
what is 1n?
1n is 5.
If you have 2 baskets of apples, and you have 10 apples,
how many apples 1 each basket?
5!
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It is not except when n = 1.
1
We know that the complete graph has n(n-1)/2 edges and we want to find out n such that n(n-1)/2 greater or equal to 500. Thus n(n-1) greater or equal to 1000. Taking n=33, we have, n(n-1)=33(33-1)=1056>1000. Therefore required smallest integer is n=33.
Pressure can only be expressed as n/m2 (not n.m) 1 n/m2 = 1 pascal
Difficult to tell without brackets, but (n-1)*(n+1) = n^2 - 1 [in other words, n squared minus 1] is a useful algebraic identity.