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Equations
• Solve exponential equations of different bases.
• Solve logarithmic equations.
• Solve exponential equations of the same base 
By the end of the lesson you will be able to:
Worked example 1:
Worked example 2:
w. e.3:
Conclusion: 
In exponential equations, when it is possible,  
express the powers in the same base.
w. e.4:
w. e.5:
w.e.6:
w.e.7:
continuing
log (x­2)2
­ log (x2
­4 ) = 2
 
inverse functions
Find the value of x:
ln x = 0
ln x + 1 = 0 
ln x = 1
ln ( x ­ 5 ) = 2
ln x ­ 5 = ­ 7
Solve from book page 65 Ex 2 G

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