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junior college 1 | H2 Maths
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Why is d^2y/dx^2 more than zero and less than zero for concave upwards and concave downwards graph respectively? Thanks
Date Posted: 7 years ago
Views: 615
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done
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clear
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I am so sorry. I made a mistake which changed my whole explanation into a disaster. I have underlined the mistakes I have made. The idea is still the same, it's just carelessness on my part.
Date Posted:
7 years ago
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