Pancakes's answer to Jona's Secondary 4 A Maths Singapore question.
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One of the roots x = 1 is already positive.
The other root, k/2 -1, since k > 4 then you can show k/2 -1 is also positive.
The other root, k/2 -1, since k > 4 then you can show k/2 -1 is also positive.
Date Posted:
3 years ago
k > 4 since squareroot of a number must be greater than 0