# Solution: Find the second derivative of y by implicit differentiation from the equation 4x^2 + 8y^2 = 36

Find the second derivative of y by implicit differentiation from the equation 4x^2 + 8y^2 = 36. How to find the derivative using implicit differentiation?

#### Problem Statement: CE Board November 1993

Find the second derivative of y by implicit differentiation from the equation 4x^2 + 8y^2 = 36
• A. 64x2
• B. (– 9/4y3)
• C. 32xy
• D. (- 16/9) y3

The dy/dx is equal to (–9/4y^3)

Solution:

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