Akshay's answer to help's Secondary 4 A Maths Singapore question.
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Second part.
Note: checking dy/dx is important since I squared the equation when trying to find x.
Hence dy/dx when I sub x in could be negative 2 instead of 2
Note: checking dy/dx is important since I squared the equation when trying to find x.
Hence dy/dx when I sub x in could be negative 2 instead of 2
Date Posted:
2 years ago
thank you!!
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