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secondary 4 | A Maths
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Hiii in help for this question ... Part A :(( couldn't get the correct answer which is -13.5 ?? TnT gladly appreciate it if someone can help me solve this question :(( idk why I can't get part a :(
Date Posted: 6 years ago
Views: 377
find dy/dx. after you found dy/dx you will have few values of x. investigate the different values of x with d2y/dx2 for the minimum value. hope it helps :)
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done
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clear
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Hello jia yi, for minimum gradient, you let the 2nd derivative = 0 and proceed to find the value of x and substitute it back into the gradient equation.
Date Posted:
6 years ago
Oh okay thank you so much :) I finally know how to do now . Thank you ! :)
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