September 2018 1 17 Report

a) Oblicz wartośc wyrażenia:

(x+1)(x-1)+(x+2)(x-2)-(x+3)(x-3) dla x=√3

b) Wykonaj działania:

(3√6-2√10)(3√6+2√10)=

(√2-√6)(√2+√6)=


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