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Ib maths sl log change of base
Ib maths sl log change of base
Ib maths sl log change of base
Ib maths sl log change of base
Ib maths sl log change of base
Ib maths sl log change of base
Ib maths sl log change of base
Ib maths sl log change of base
Ib maths sl log change of base
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Ib maths sl log change of base

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Transcript

  • 1. Rewrite the equation without using logarithmsln A = 0.5 ln B  ­ 5
  • 2. Solve the simultaneous equations:logx y  =2xy = 8
  • 3. 7  is not a power of 5the calculator works with log  or ln.Calculate  log5 7  correct to 3 s.f.
  • 4. • Solve logarithmic and exponential equations applying basic logarithmic rules.• Calculate and operate with natural logarithms.• Deduce and apply  the formula to change the base of logarithms.By the end of the lesson you will be able to:LOGARITHMS
  • 5. Change of base:y = logabre­write without using log:apply logc   to both sides:make y the subject:
  • 6. Calculate  log5 7  correct to 3 s.f.Calculate  log7 19  correct to 3 s.f.
  • 7. Express  log9 x    as a log3 :
  • 8. Solve the equation:
  • 9. Solve worksheet "Mixed review"Solve Book pages 69­70

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