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anonymous

  • one year ago

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  1. IrishBoy123
    • one year ago
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    squaring all that stuff and getting a negative number - holy moly!!

  2. anonymous
    • one year ago
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    Yeah its confusing

  3. phi
    • one year ago
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    first step \[ \frac{d}{dy}\left(5x^2 + y^4\right) = \frac{d}{dy}−9\]

  4. IrishBoy123
    • one year ago
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    .

  5. anonymous
    • one year ago
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    Okay would I implicitly derive that?

  6. mathmate
    • one year ago
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    Actually what bugs me is (2,1) is not a point on the curve! Could it be that 5x^2 + y^4 = −19 and the point is (2i, 1)?

  7. phi
    • one year ago
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    good catch by mathmate. It does look like a typo. **Okay would I implicitly derive that?*** yes

  8. phi
    • one year ago
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    I would also double check the problem, because it looks like there are typos.

  9. anonymous
    • one year ago
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    Thats what the question says.

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spraguer (Moderator)
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is replying to Can someone tell me what button the professor is hitting...

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