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ksaimouli

  • 3 years ago

simplify

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  1. ksaimouli
    • 3 years ago
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    \[\int\limits_{0}^{3}\sqrt{1+(x \sqrt{x^2+2)}^2} \]

  2. ksaimouli
    • 3 years ago
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    can i cancle out the square root by the ^2 of (x^2+2)

  3. ksaimouli
    • 3 years ago
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    |dw:1359411301194:dw|

  4. ksaimouli
    • 3 years ago
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    then integrate this am i right

  5. hartnn
    • 3 years ago
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    not sure where the ^2 is ... is it square of [x sqrt (...)]

  6. ksaimouli
    • 3 years ago
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    |dw:1359411399610:dw|

  7. hartnn
    • 3 years ago
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    |dw:1359411380166:dw| so, yes, you can cancel out...

  8. ksaimouli
    • 3 years ago
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    not the inside can i do outside one

  9. hartnn
    • 3 years ago
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    |dw:1359411478889:dw|

  10. hartnn
    • 3 years ago
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    \(\sqrt{1+ (x^2)^2+2x^2} = \sqrt{(x^2+1)^2}=x^2+1\)

  11. hartnn
    • 3 years ago
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    what ?

  12. ksaimouli
    • 3 years ago
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    never mind

  13. hartnn
    • 3 years ago
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    you cannot cancel the outside root for ^2 of [x\sqrt...] so, did you get all steps? any doubt ?

  14. ksaimouli
    • 3 years ago
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    yes i got thx

  15. ksaimouli
    • 3 years ago
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    congrats u became Ambassador :-)

  16. hartnn
    • 3 years ago
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    thanks :)

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