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 Question from Subrahmanya: Solve the following system of 1999 equations in 1999 unknowns : x1+x2+x3=0, x2+x3+x4=0……., x1997+x1998+x1999=0, x1998+x1999+x1=0, x1999+x1+x2=0. (in x1,x2,...................,x1999 the numbers 1,2,.............,1999 are subscripts)

Hi again,

My suggestion is that you try something smaller. How about 4 equations in 4 unknowns?

$x_1 + x_2 + x_3 = 0, x_2 + x_3 + x_4 = 0, x_3 + x_4 + x_1 = 0, x_4 + x_1 + x_2 = 0.$

Penny

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