Year 12s: what will be the first way you research your future options? >>

Year 12s: what will be the first way you research your future options? >>

Year 12s: what will be the first way you research your future options? >>

Implicit equations help

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Original post by SDavis123

Yh I did, did you see the picture?

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I hadn't but I have now.

So make y the subject. There are many ways you can do it. Combining the logarithms would be a sensible step and then you are going to need to raise both sides to base e.

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Original post by Mr M

I hadn't but I have now.

So make y the subject. There are many ways you can do it. Combining the logarithms would be a sensible step and then you are going to need to raise both sides to base e.

If before was painful, I think what your about to see might just be enough to knock you out! :tongue:

:tongue:

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ImageUploadedByStudent Room1364335487.618448.jpg194.0KB

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Original post by SDavis123

If before was painful, I think what your about to see might just be enough to knock you out! :tongue:

:tongue:

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You have some really worrying misconceptions.

\sqrt{a^2+b^2} \neq a + b

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Original post by Mr M

You have some really worrying misconceptions.

\sqrt{a^2+b^2} \neq a + b

I'm not getting anywhere, sorry for the headache that I've caused you and thanks for trying to help :smile:

:smile:

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Original post by SDavis123

I'm not getting anywhere, sorry for the headache that I've caused you and thanks for trying to help :smile:

:smile:

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Multiply through by 2 and combine the logarithms. Now exponentiate and you are pretty much there.

\frac{1}{2}\ln{(y^{2} + 1)} \not= \ln{(y + 1)}

^ Referring to what Mr M was saying.

Original post by Mr M

\sqrt{a^2+b^2} \neq a + b

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