liczba 8√ / √5-3 jest równa
a. 4√5-12/7 b.2√5+6 c.4√5+12 /7 d. -2√-6
/ <-- kreska ułamkowa xd
8/√5-3=8(√5+3):(√5-3)(√5+3)=(8√5+24):√25-9=(8√5+24):5-9=
(8√5+24):-4=[(8√5):-4]+ [24+:(-4)]=-2√5-6
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8/√5-3=8(√5+3):(√5-3)(√5+3)=(8√5+24):√25-9=(8√5+24):5-9=
(8√5+24):-4=[(8√5):-4]+ [24+:(-4)]=-2√5-6