simplify 2 log 4 - 1/2 log 16 + 1
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The simplified value is 1.602
Given
2 log 4 - 1/2 log 16 + 1
To Find
Simplify the expression 2 log2 log 4 - 1/2 log 16 + 1
Solution
For any logarithmic expression:-
- a logb = log(b^a)
- 1/2loga = log(√a)
- loga + logb = log(ab)
- loga - logb = log(a/b)
hence,
2 log 4 - 1/2 log 16 + 1
= 2log4 - log√16 + 1 [Using formula no. 2]
= log(4²) - log4 + 1 [Using formula no. 1]
= log(4²/4) + 1 [Using formula no. 4]
= log4 + 1
= 0.602 + 1 [getting value of log4 from the calculator]
= 1.602
Therefore, the simplified value is 1.602
#SPJ2
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