Find the Critical Points Of $f ( x , y ) = x ^ { 3 } - 9 x y + y ^ { 2 }$

question 49

Essay

Find the critical points of $f ( x , y ) = x ^ { 3 } - 9 x y + y ^ { 2 }$ and classify each as maximum, minimum or saddle.

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Definitions:

Amplification Rate

The rate at which content is shared or promoted across social platforms, amplifying the reach and impact beyond the original audience.

Online Privacy

The right to keep personal information shared over the internet secure and private from unauthorized access.

Ethical Best Practices

Guidelines and actions that are defined by principles of integrity and morality, aiming to promote fairness, transparency, and responsibility in various fields.

Digital Customers

Individuals who use digital channels, such as websites, mobile apps, and social media, to engage with and purchase from brands and businesses.