Potrzebne na dzisiaj:
Oblicz √ab:
1) log₂a=5, log₄b=½
2) a=log₃9, b=log₂256
1.log_
2.l
Przykład 1
log₂a = 5
2⁵ = a
a = 32
log₄b = 1/2
4¹/² = b
b = 2
√ab = √2*32 = √64 = 8
Przykład 2
log₃9 = a
a = 2
log₂256 = b
8 log₂2 = b
b = 8
√ab = √2*8 = 4
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1.log_
2.l
Przykład 1
log₂a = 5
2⁵ = a
a = 32
log₄b = 1/2
4¹/² = b
b = 2
√ab = √2*32 = √64 = 8
Przykład 2
log₃9 = a
a = 2
log₂256 = b
8 log₂2 = b
b = 8
√ab = √2*8 = 4