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sakigirl

Find the inverse of..?

  • one year ago
  • one year ago

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  1. sakigirl
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    |dw:1359613928022:dw|

    • one year ago
  2. manishsatywali
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    let y = \[\sqrt{x-4}\]

    • one year ago
  3. manishsatywali
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    square both the sides to get y^2 =x-4

    • one year ago
  4. jsolon7
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    change the equation to \[x=\sqrt{y-4}\] and solve for y

    • one year ago
  5. manishsatywali
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    take -4 on the left side

    • one year ago
  6. sakigirl
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    But the -4 is in the rt

    • one year ago
  7. manishsatywali
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    u get y^2+4 = x

    • one year ago
  8. manishsatywali
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    replace x by y and y by x u will get the inverse

    • one year ago
  9. jsolon7
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    what he said

    • one year ago
  10. sakigirl
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    Still a bit confused with what you do with the -4

    • one year ago
  11. manishsatywali
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    i have added +4 on both sides so that -4 gets cancel on the right hand side

    • one year ago
  12. sakigirl
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    So I get 4+x=sqrt y

    • one year ago
  13. manishsatywali
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    |dw:1359614352269:dw|....follow this

    • one year ago
  14. manishsatywali
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    after this cancel -4 and +4 on right hand side

    • one year ago
  15. sakigirl
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    @manishsatywali Thank you :)

    • one year ago
  16. manishsatywali
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    alwaz welcum

    • one year ago
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