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# Transposing for I watch

1. Just need a little help here.
I have this equation and I need to make I the subject:

I come up with:

Is that right?
2. (Original post by ocelotrevs)
Just need a little help here.
I have this equation and I need to make I the subject:

I come up with:

Is that right?
Almost, but you forgot to square the when you squared everything else.
3. (Original post by nuodai)
Almost, but you forgot to square the when you squared everything else.
So it should be:

4. (Original post by ocelotrevs)
So it should be:

Again, almost... this time you squared the 2 but not the ... also, you can simplify the denominator; it has two integers that you can multiply together.
5. (Original post by nuodai)
Again, almost... this time you squared the 2 but not the ... also, you can simplify the denominator; it has two integers that you can multiply together.
Ah cool.
Cheers. I wish my maths was better.

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