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Share your 2014 HSC results here
Chem: 84 Eng Ad: 94 Math 2U: 96 Math 3U: 90 PDHPE: 98 Physics: 89 SOR I: 90 Pretty happy overall.- michael3
- Post #57
- Forum: ATAR & HSC Marks - Class of 2014
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Sequences And Series Question
The series T4 + T6 + T8 = -6 is: a + (a+d) + (a+2d) = -6 So 3a + 3d = -6 Divide by 3: a+d = -2 and since a+d = T6, T6 = -2- michael3
- Post #2
- Forum: Mathematics Advanced
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