October 2018 1 23 Report

1.Zapisz w postaci sumy algebraicznej.

a)(x^2+5x+25)(x-5)^2

b)(x+2)(x^4+4x^2+16)(x-2)

2.Oblicz.

a)(2√3-3)^3

b)(√2+√3)^3

3.Oblicz wartość wyrażenia:

a)(9x^2-6x+4)(3x+2) dla x=∛-⅓

b)(x=√5)(x^2-√5x=5)-(√5-x)(x^2+√5x+5) dla x=∛4


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