Homework Sourseyx38x2Solutionyx38x2 dydx x3 2x 8x2 3x2 2x4 24x2 3x4 2
y=x^3(8-x^2)
Solution
y=x^3(8-x^2)
dy/dx= x^3 ( -2x) + (8-x^2) 3x^2
= -2x^4 + 24x^2 - 3x^4
= 24x^2- 5x^4
Tutor
Tutor: Dr Jack
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y=x^3(8-x^2)
dy/dx= x^3 ( -2x) + (8-x^2) 3x^2
= -2x^4 + 24x^2 - 3x^4
= 24x^2- 5x^4