Kahwai's answer to Shams's Secondary 3 A Maths Singapore question.
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If X and y are real
Then firth piers are positive
The only way the sum are zero are both are zero
Then you could get x and y easily
Then firth piers are positive
The only way the sum are zero are both are zero
Then you could get x and y easily
Date Posted:
3 years ago
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