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secondary 4 | A Maths
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xinrann
Xinrann

secondary 4 chevron_right A Maths

can i have help with this? spent a lot of time on it but still couldn't do.

Date Posted: 6 years ago
Views: 348
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Rifkee Muhd
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3 answers (A Helpful Person)
xinrann
Xinrann
6 years ago
sorry can i know why is there a 1/2 square root y?
Rifkee Muhd
Rifkee Muhd
6 years ago
Using Chain Rule of Differentiation where derivative of y = sqrt(x) is in the form of dy/dx = 1/2sqrt(x) * 1 (the 1 is obtained by differentiating what's inside the square root which in this case is just x. Apply this rule to the question.