what is the value of log a^2+log b^2-2log ab?
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because log a + log b =logab
and log a raise to power b=b log a
so 2log a +2 logb -2logab
2logab-2logab=0
and log a raise to power b=b log a
so 2log a +2 logb -2logab
2logab-2logab=0
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