Factorise: (i) `4x^2+9y^2+16 z^2+12 x y-24 y z-16 x z` (ii) `2x^2+y^2-2sqrt(2)x y+4sqrt(2)y z-8x z`
Factorise: (i) `4x^2+9y^2+16 z^2+12 x y-24 y z-16 x z` (ii) `2x^2+y^2-2sqrt(2)x y+4sqrt(2)y z-8x z`
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