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write down the equation of the plane tangent to the surface z fx y y3x12 above a general point a bfind the
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1 prove by induction that it is possible to pay without requiring change any whole number of roubles greater than 7
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let t v rarr w be a surjective linear map for a subspace u sube v define the restriction tu isin l u w by tu u t u
question 1 a show that0int1x-x dx n1sigmainfin n-nb use the sum in a to evaluate the integral in a to 12-digit