Odpowiedzi

2009-12-19T11:39:47+01:00
A) log₂3 × log₃4 = 2

log₂4
log₂3 × -------- = log₂4 = 2
log₂3


Wiedzac ze:
log₃2 = a to 3do potegi a = 2
log₃7 = b to 3 do potegi b = 7

14= 2×7 = 3 do pot a × 3 to pot b
14= 3 do pot a × 3 to pot b = 3 do pot a+b to log₃14 = a + b