Given the function . Find all its stationary points and state their nature.

Question

Given the function    . Find all its stationary points and state their nature.

Answer

The stationary point is at   , and it is a maximum.

Answer

The stationary point is at    or   , where    is a maximum and    is a minimum.

Answer

The stationary point is at   , and it is a minimum.

Answer

The stationary point is at    or   , and both are minima.

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