Ignatius Yeo's answer to Keith Koh's Secondary 4 A Maths Singapore question.
done
{{ upvoteCount }} Upvotes
clear
{{ downvoteCount * -1 }} Downvotes
Note: gradient along a curve varies at every point. The above question means that at x=0.5, the gradient is 2( which is equals to the gradient of the tangent). Gradient of curve at point k = gradient of tangent at that point.
Date Posted:
3 years ago