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anonymous

  • 4 years ago

SOLVE ln(x-3)+ln(x+4)=1

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  1. saifoo.khan
    • 4 years ago
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    \[\large \ln (x-3) + \ln (x+4) = \ln_e e\]

  2. anonymous
    • 4 years ago
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    uhm so what follows?

  3. saifoo.khan
    • 4 years ago
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    \[\ln(x-3)(x+4) = \ln_e e\] \[(x-3)(x+4) = e\]

  4. anonymous
    • 4 years ago
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    what else

  5. saifoo.khan
    • 4 years ago
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    Solve using a calc. Make a quadratic equation and so on.

  6. anonymous
    • 4 years ago
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    doesnt it hit on two places

  7. saifoo.khan
    • 4 years ago
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    Yes it will, one negative and one postitve.

  8. anonymous
    • 4 years ago
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    put the assignment tells me to round to the nearest 4th place if possible and it only has spot to answer which means my answer has to be one thing..

  9. anonymous
    • 4 years ago
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    so use the positive?

  10. saifoo.khan
    • 4 years ago
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    Yes!!

  11. saifoo.khan
    • 4 years ago
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    The value of 'x" can't be -ve.

  12. anonymous
    • 4 years ago
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    okay i see, can you help me through another one?

  13. anonymous
    • 4 years ago
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    x^210^x-2x10^x=3(10^x)

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spraguer (Moderator)
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