已知lgx=2(lga+3lgb)-1/2lgc,则x=
问题描述:
已知lgx=2(lga+3lgb)-1/2lgc,则x=
答
lgx=2(lga+3lgb)-1/2lgc
=2lga+6lgb-1/2lgc
=lg(a^2b^6c^(-1/2))
x=a²b^6/根号c