Z=sqrt(x^2 y^2) in polar coordinates 209628-Z=sqrt(x^2+y^2) in cylindrical coordinates sela silpiani

Del In Cylindrical And Spherical Coordinates Wikipedia 534 Use double integrals in polar coordinates to calculate areas and volumes Sketch ...

++ 50 ++ factorise (x y z)2 – (x – y z)2 341239-Factorise completely 16 x 3 y 2 z − 8 x 2 y 3 z 2 sela silpiani

We can factorise x 2 (y z) 2 further as x 2 (y z) 2 = (x) (y z) (x) (y z) = (x y z) (x y z) ∴ x 4 (y z) 4 = (x y z) (x y z) x 2 (y z) 2 5 Vi...