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LeonardoPSSantos
@LeonardoPSSantos
August 2019
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(PUC-PR) O valor da expressão log2 0,5 + log3 √3 + log4 8 é:
a) 1
b) – 1
c) 0
d) 2
e) 0,5
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tiagolemos2otykzv
Log2 0,5= log2 1/2→log2 2^(-1)= -1
log3 √3 = log3 3^(1/2)=1/2
log4 8=log2^(2) 2^(3)→ 3/2
R.: -1+1/2+3/2=2/2=1
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log3 √3 = log3 3^(1/2)=1/2
log4 8=log2^(2) 2^(3)→ 3/2
R.: -1+1/2+3/2=2/2=1