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Find the value (1/2)log10625 – 5log102 + log10128 |
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Answer» Correct Answer - Option 3 : 2 Properties used 1) nlogm = logmn 2) logm + logn = log(mn) 3) logm - logn = log(m/n) Calculation 1/2log10625 – 5log102 + log10128 ⇒ log106251/2 – log1025 + log10128 ⇒ log1025 – log1032 + log10128 ⇒ log10[25 × (128/32)] ⇒ log10100 ⇒ log10102 ⇒ 2log1010 ⇒ 2 |
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