Question

Optional Math (Class 9) question
if f(x + 3) = f(x) + f(5) then prove that f(2) =0 and f(5) = -f(-1).​

Answer 1

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Political scientists see parties as forming a party system.

This is defined by the number and size of significant parties and the patterns of competition between parties.

There is no clear definition of how we decide whether a party is significant but the size of its national vote and the number of MPs that it has are the important factors.