Eric Nicholas K's answer to mint's Secondary 4 A Maths Singapore question.
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Your dy/dx is perfectly fine.
When y = 0 (NOT when dy/dx = 0)
So 0 should be substituted into y, NOT dy/dx. Basically you want to find the values of x for which y = 0.
Then, for each of these values of x, we find the respective value of dy/dx.
When y = 0 (NOT when dy/dx = 0)
So 0 should be substituted into y, NOT dy/dx. Basically you want to find the values of x for which y = 0.
Then, for each of these values of x, we find the respective value of dy/dx.
Date Posted:
5 years ago
Sorry, ignore the left side working, it's irrelevant to this question.
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