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potterfan3 | 18:23 Tue 30th Nov 2004 | Quizzes & Puzzles
2 Answers
wot is the exact value of T when T(squared)+T-5=o
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2 solutions

      -0.5 + 0.5 x root 21

and -0.5 - 0.5 x root 21

It's a quadratic equation!

T^2 + T � 5 = 0

T = 1.79128784747792
And
T = -2.79128784747792

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