7[4 log2- 2 log5] +5[2log5- 3log2 - log3]+ 3[4 log3- 4log2 - log5]
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Answer:
Step-by-step explanation:
using formulas
log m×n= log m + log n
=>log 6 + 2log5+log 4 -log 3 -log 2 =
log 2×3 + 2log 5 + log 2×2 - log 3 -log 2
=> log 2 + log 3 +2 log 5 +log 2+ log 2 - log 3 - log 2
=> 2log 2 +2 log 5 = 2( log 2 + log 5)
=> 2log 2×5 = 2log 10 = 2 answer
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