Włącz czynnik pod pierwiastek.
a)4√8 b)1/2√10 c)3∛5 d)-2∛10 e)0,4√5 f)0,2∛100
Proszę o szybkie rozwiązanie;)
a)4√8 = √(4²*8) = √(16*8) = √128
b)1/2√10 = √[(1/2)² *10] = √(1/4*10) = √(10/4) = √(5/2) = √2½
c)3∛5 = ∛[(3³)*5] = ∛[ 27*5) = ∛ 135
d)-2∛10 = ∛[(-2)³*10] = ∛[(-8)*10] = ∛ -80
e)0,4√5 = √[(4/10)²*5] = √[(2/5)²*5] = √[(4/25)*5] = √(4/5)
f)0,2∛100 = ∛[(0,2)³*100] = ∛[(1/5)³*100] =∛[(1/125)*100]= ∛(100/125)=
= ∛(4/5)
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Włącz czynnik pod pierwiastek.
a)4√8 = √(4²*8) = √(16*8) = √128
b)1/2√10 = √[(1/2)² *10] = √(1/4*10) = √(10/4) = √(5/2) = √2½
c)3∛5 = ∛[(3³)*5] = ∛[ 27*5) = ∛ 135
d)-2∛10 = ∛[(-2)³*10] = ∛[(-8)*10] = ∛ -80
e)0,4√5 = √[(4/10)²*5] = √[(2/5)²*5] = √[(4/25)*5] = √(4/5)
f)0,2∛100 = ∛[(0,2)³*100] = ∛[(1/5)³*100] =∛[(1/125)*100]= ∛(100/125)=
= ∛(4/5)