log(2)根号18+1/2log(2)56-log(2)3根号7
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log(2)根号18+1/2log(2)56-log(2)3根号7
log(2)根号18+1/2log(2)56-log(2)3根号7
log(2)根号18+1/2log(2)56-log(2)3根号7
LOG(2,√18)+(1/2)LOG(2,56)-LOG(2,3√7)
=(1/2)(LOG(2,2)+LOG(2,3^2))+(1/2)(LOG(2,8)+LOG(2,7))-LOG(2,√63)
=(1/2)+LOG(2,3)+3/2+(1/2)LOG(2,7)-(1/2)(LOG(2,3^2)+LOG(2,7)
=2+LOG(2,3)+(1/2)LOG(2,7)-LOG(2,3)-(1/2)LOG(2,7)
=2
log(2)根号18+1/2log(2)56-log(2)3根号7
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