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Find the 2nd-order partial derivatives of f(x,y)=2xy^2-3x^2+xy^3
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2nd way: integral ∫ log √x(x^n) dx
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U Penn: Show that the following decomposition CANNOT hold ...
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Show that the function u(x,y)=e^x cos(y) is harmonic in the x-y plane
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log sq rt integral ∫√x ln(x) dx withOUT u-sub
Let B be the mx1 col. matrix [1/m ... 1/m]'. If A =[a1 ... am] is any row matrix. What is AB?
When a die was thrown the scores was an odd #. What is the prob. that it was a prime #?