Tuesday 15 September 2015

LOGARITHMS 3


Evaluate Log216 + Log210 + Log240

Solution

= Log216 - Log210 + Log240

= Log2(16x40)
               10

= Log2(640)
              10

= Log2(64)
            
= Log226)

= 6Log22

= 6 x 1

= 6

Hence Log216 + Log210 + Log240 = 6 


TRY THIS…………………….


Evaluate Log28 - Log27 + Log2 224


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