Odpowiedź:
zad 3
Pc - pole całkowite = 2x(x + 1) + 2x(x + 3) + 2(x + 1)(x + 3) =
= 2x² + 2x + 2x² + 6x + 2(x² + x + 3x + 3) = 4x² + 8x + 2(x² + 4x + 3) =
= 4x² + 8x + 2x² + 8x + 6 = 6x² + 16x + 6
Odp: A
zad 4
6,4 * 10⁹ * 0,5 * 10⁵ = 6,4 * 0,5 * 10⁹⁺⁵ = 3,2 * 10¹⁴ ≠ 3,2 * 10⁴
Odp: D
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Odpowiedź:
zad 3
Pc - pole całkowite = 2x(x + 1) + 2x(x + 3) + 2(x + 1)(x + 3) =
= 2x² + 2x + 2x² + 6x + 2(x² + x + 3x + 3) = 4x² + 8x + 2(x² + 4x + 3) =
= 4x² + 8x + 2x² + 8x + 6 = 6x² + 16x + 6
Odp: A
zad 4
6,4 * 10⁹ * 0,5 * 10⁵ = 6,4 * 0,5 * 10⁹⁺⁵ = 3,2 * 10¹⁴ ≠ 3,2 * 10⁴
Odp: D