6. a) (√2⁴)×(√2)³...
Daca se poate 6 si 7,daca nu e ok si 6,vrg sa raspunda cn stie,raspunsurile gresite primesc raport.Repede daca se poate:)
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a) 8√2
b)3
c)125
d)10√10
e)9
f)27
a)12
b)18
c)½
d)-40√5
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Răspuns:
6. a) (√2)⁴ • (√2)³ = (√2)⁷
b) (√3)¹⁰/(√3)⁸ = (√3)²
c) [(√5)²]³= (√5)⁶
d) (√2 • √5)³ = (√2)³ • (√5)³
e) (√18/√2)² = (3√2/√2)² = (3√2)²/(√2)²
f) √27² =27
7. a) (2√3)² = 4 • 3 = 12
b) (-3√2)² = -9 • 2 = -18
c) (1/2 • √2)² = 2/4 • 2 = 4/4 = 1
d) (-2√5)³ = -8√125
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