Posted by Ms. Jackie on Tuesday, October 30, 2012 at 9:29pm.
by definition logx(x) = 1 because x^1 = x
log6b(6b) = 1
log8b((8b)^6) = 6*log8b(8b) = 6*1 = 6
similarly,
log11b((11b)^-9) = -9
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