8 logarithmic equations

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EQUATIONS involving LOGARITHMIC FUNCTIONS : 

EQUATIONS involving LOGARITHMIC FUNCTIONS

Laws of Logarithms : 

Laws of Logarithms

Examples : 

Examples 1. Check answer

Examples : 

Examples 2.

Check answer : 

Check answer If , then 3 is a solution. If , then These are undefined, -1 is not a solution.

Slide 6: 

3. Check:

Slide 7: 

4.

Alternative solution : 

Alternative solution

Examples : 

Examples 5. Solve for b.