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Does the point (-5, -1, -5)lie on any of the level surfaces of ? If so, what is the equation of that level surface?
Shitao
A Chinese painter and poet from the Qing Dynasty, renowned for his innovative landscape paintings and calligraphy, significantly influencing later Chinese art.
Reminiscences of Nanjing
A historical reference or literary work that reflects on the past events, culture, and landscapes of Nanjing, a significant city in Chinese history.
Qing Dynasty
The last imperial dynasty of China, lasting from 1644 to 1912, which was characterized by expansion, prosperity, and a rich cultural development.
Guan Yu
A legendary Chinese general from the late Eastern Han dynasty, venerated in Chinese folklore, who is celebrated for his loyalty, righteousness, and bravery.
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Q5: If <span class="ql-formula" data-value="\sum_{n=1}^{\infty} a_{n}"><span
Q8: Suppose that as you move away
Q25: Evaluate <span class="ql-formula" data-value="\int _
Q31: Let <span class="ql-formula" data-value="f (
Q41: It can be shown that
Q42: If <span class="ql-formula" data-value="\vec {
Q50: The differential equation describing the motion
Q65: Solve the differential equation <span
Q96: Find a unit vector in the