December 2018 1 12 Report
Oblicz wartość wyrażenia :
a) ( x+1)(x-1)+(x+2)(x-2)-(x+3)(x-3) dla x= pierwiastek z 3
b) ( 1-2x)(1+2x)+(1-3x)(1+3x)-(1-4c)(4x+1) dla x= pierwiastek z 5
c) (2x-1)^2-(2x-1)(1+2x)-(2x+1)^2 dla x= pierwiastek z 2

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