the eqn of curve is x³ - x² - 5x-3 dy/dx=3x² -2x-5 d²y/dx²=6x-2 how to show that gradient of the curve is never less than -16/3
Follow Math Help Forum on Facebook and Google+
Originally Posted by helloying the eqn of curve is x³ - x² - 5x-3 dy/dx=3x² -2x-5 d²y/dx²=6x-2 how to show that gradient of the curve is never less than -16/3 Assume that the gradient of the curve COULD be less than . Then This is clearly a contradiction, as . Therefore the gradient can never be less than .
View Tag Cloud