differentiate the following to find the equation for the gradient of the curve in terms of x and y: 3x^3 + 4x^2 + 5xy + 7y = 0
9x^2 + 8x + 5y +5xdy/dx + 7dy/dx = 0
9x^2 + 8x + 5y = dy/dx(-5x - 7)
dy/dx = - (9x^2 + 8x +5y)/(5x + 7)
HP
Related Maths A Level answers
All answers ▸What is the integral of ln(x)? Hint: use parts for this integration
Calculate (7-i*sqrt(6))*(13+i*sqrt(6))
Find an equation of the circle with centre C(5, -3) that passes through the point A(-2, 1) in the form (x-a)^2 + (y-b)^2 = k
Explain what is meant by a critical path.