Differentiate x^2 + y^2 with respect to x
use the chain rule on the y^2 term to get 2y*(dy/dx)
hence the overall solution is 2x + 2y*(dy/dx)
KD
Related Maths A Level answers
All answers ▸By using the substitution, x = 2sin(y) find the exact value of integral sqrt(1/3(4-x^2)) dx with limits 0 and 1.
If we have a vector 4x + 6y + z and another vector 3x +11y + 2z then what is the angle between the two?Give the answer in radians
What is the indefinite integral of cos^2x?
Find the area under the curve y = (4x^3) + (9x^2) - 2x + 7 between x=0 and x=2