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Practice Online Test Series for JEE Main 2018 & NEET 2018
`|[b^2+c^2,a^2,a^2],[b^2,c^2+a^2,b^2],[c^2,c^2,a^2+b^2]|`=
abc
4abc
`4a^2b^2c^2`
`a^2b^2c^2`