Oblicz:
a) log2+log5
b)
c)l
d) (3-√5)²
a)log10=1
c)
d) 9-6√5+5=14-6√5
a) log2+log5= log (2*5) = l0g 10 = 1
b)log₃18 - log₃2 = log₃(18:2)=log₃9=2
c) log₅4-log₅500=log₅(4:5000=log₅ 1/125= -3
d) (3-√5)² = 9-6√5+5=14-6√5
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a)log10=1
b)
c)
d) 9-6√5+5=14-6√5
a) log2+log5= log (2*5) = l0g 10 = 1
b)log₃18 - log₃2 = log₃(18:2)=log₃9=2
c) log₅4-log₅500=log₅(4:5000=log₅ 1/125= -3
d) (3-√5)² = 9-6√5+5=14-6√5