Math Chapter Wise question with answer

Q01 Let f(x, y) = 2 2 2 x y x + y for (x, y) ≠ (0, 0) then English · Bihar (TRE 1.0) -2023 Q02 The complete integral of the equation p q 1 + = + =, where z z P,q x y ∂ ∂ = ∂ ∂ is English · PGT 2010 Q03 Let x y (x,y) x y − = + f with x y 0 Then: English · UP PCS (Pre) 1996 Q04 For the function 1 y z tan x − = consider the following statements: 1 z z S x y 0 x y ∂ ∂ ≡ + = ≡ + = ≡ + = ≡ + = ∂... English · Rajasthan TGT 2016 Q05 The function f(x, y) = 3x2 y + 4y3 – 3x2 – 12y2 + 1 has a saddle point at. English · Bihar (TRE 1.0) -2023 Q06 Find the directional derivation of Du f(x, y) at the point (x, y) = (1, 2), where f (x, y) = x3 – 3xy + 4y2 and u i... English · JSSC PGT 2018