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Forum → Provdelar → KVA → Tråd

KVA ht 13 uppgift 19

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Medlem sedan 2016-02-14

Någon som har tips på lösning till uppgift 19 KVA ht -13?

Fråga 19. Rätt svar (C).
Kvantitet I: x(y + z) + x2 + yz
Kvantitet II: (x + z)(y + x)

A I är större än II
B II är större än I
C I är lika med II
D informationen är otillräcklig

/ Jenny

     
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Medlem sedan 2016-01-25

om du gångrar in allt så ser du att du får samma svar på I som II:

I: x(y+z) + x^2+yz = xy + xz + x^2 + yz
II: (x+z)(y+x) = xy + x^2 + yz + xz

     

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