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Popular >

simplify log_{4}(8)+log_{4}(8)

Solution

simplify

lo g_{4} (8) + lo g_{4} (8)

Solution

3

Solution steps

lo g_{4} (8) + lo g_{4} (8)

Add similar elements:

lo g_{4} (8) + lo g_{4} (8) = 2 lo g_{4} (8)

= 2 lo g_{4} (8)

Factor the number:

4 = 2^{2}

= 2 lo g_{2^{2}} (8)

Apply log rule:

lo g_{a^{b}} (x) = \frac{1}{b} lo g_{a} (x), a > 0

lo g_{2^{2}} (8) = \frac{1}{2} lo g_{2} (8)

= 2 \cdot \frac{1}{2} lo g_{2} (8)

2 \cdot \frac{1}{2} lo g_{2} (8) = lo g_{2} (8)

= lo g_{2} (8)

Factor the number:

8 = 2^{3}

= lo g_{2} (2^{3})

Apply log rule:

lo g_{a} (a^{b}) = b

= 3

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Frequently Asked Questions (FAQ)

What is log_{4}(8)+log_{4}(8) ?
The solution to log_{4}(8)+log_{4}(8) is 3