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[" The range of "x^(2)+4y^(2)+9z^(2)-6yz...

[" The range of "x^(2)+4y^(2)+9z^(2)-6yz-3x-2xy" is "],[[" (R "x)," (0,ac) "4" ) "(-oo,0)]," (he "]

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The range of x^(2)+4y^(2)+9z^(2)-6yz-3xz-2xy is

The range of x^(2)+4y^(2)+9z^(2) - 6yz-3xz-2xy is

The range of x^(2)+4y^(2)+9z^(2)-6yz-3xz-2xy is 1. phi2R3*[0,oo)4.(-oo,0)

x^(2)-y^(2)-9z^(2)+6yz is factorized as

25x^2+4y^2+9z^2-20xy-12yz+30xz

Factorise : 4x^(2) + 9y^(2) + z^(2) + 12xy - 6yz - 4zx

Multiply x^(2)+4y^(2)+z^(2)+2xy+xz-2yz by (-z+x-2y)

Multiply: x^(2)+4y^(2)+z^(2)+2xy+xz-2yz by x-2y-z

Multiply x^(2)+4y^(2)+z^(2)+2xy+xz-2yz by (-z+x-2y)

Factorise 16x^2+4y^2+9z^2-16xy-12yz+24xz