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/sci/ - Science & Math

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>> No.8402241 [View]
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8402241

>>8402228
Yup. And she isn't a bad teacher or gives this kind of shit normally so I thought I was being stupid. These two are quite hairy.
The answers are (according to her)
>a) 1/27 (85*sqr(85)- 13 * sqrt (13))
>b) 8

And I might be stupid and some anon finds a easy way of solving them.

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