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[" 49."4fgx=(sqrt(3+1))/(sqrt(3-1))" aif...

[" 49."4fgx=(sqrt(3+1))/(sqrt(3-1))" aift "y=(sqrt(3)-1)/(sqrt(3+1))" at in "x^(2)+y^(2)" and "x" nith "vec x-],[[" (t) "14," (b) "13," (c) "15" (d) "10]]

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