Benjamin Chia's answer to Yuheng Lee's Secondary 4 A Maths question.
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Q6
Question requires you to know that with the equation 4y+x=2, you can find the gradient of the tangent (similar to concepts of normal but the equation 4y+x=2 is not the normal) which is equal to dy/dx of the curve
And by differentiating the curve you can find the value of x after substitution.
Question requires you to know that with the equation 4y+x=2, you can find the gradient of the tangent (similar to concepts of normal but the equation 4y+x=2 is not the normal) which is equal to dy/dx of the curve
And by differentiating the curve you can find the value of x after substitution.
Date Posted:
7 years ago
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