MATHEMATICS PROBLEM SOLVER

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Sunday, 30 June 2013

LOGARITHMS - 4

Evaluate Log100000 + log0.01 + log₃243

Solution

= Log100000 + log0.01 + log₃243

= Log10⁵ + log10^-2 + log₃3^-5

= 5Log10 + (-2log10) + (-5log₃3)

= (5x1) + (-2x1) + (-5x1)

= 5 + (-2) + (-5)

= -2

Hence Log100000 + log0.01 + log₃243 = -2

MATHEMATICS PROBLEM SOLVER

Sunday, 30 June 2013

LOGARITHMS - 4

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