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WB SSC New Recruitment 2025 🔥 44203 পদে বিরাট নিয়োগ | WB Group C & D নতুন Recruitment 2025 #wbssc
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3 years ago
WB SSC New Recruitment 2025 🔥 44203 পদে বিরাট নিয়োগ | WB Group C & D নতুন Recruitment 2025 #wbssc
![If `|[2bc-a^2, c^2, b^2] , [c^2, 2ca-b^2, a^2] ,[b^2, a^2, 2ab-c^2]|=(a^3+b^3+c^3+kabc)^2` the](http://i.ytimg.com/vi/NKMolC5Qu40/mqdefault.jpg "If `|[2bc-a^2, c^2, b^2] , [c^2, 2ca-b^2, a^2] ,[b^2, a^2, 2ab-c^2]|=(a^3+b^3+c^3+kabc)^2` the")
![Prove that : `2a^2+2b^2+2c^2-2ab-2bc-2ac= [(a-b)^2+(b-c)^2+(c-a)^2]`](http://i.ytimg.com/vi/fFnhMwBeCj4/mqdefault.jpg "Prove that : `2a^2+2b^2+2c^2-2ab-2bc-2ac= [(a-b)^2+(b-c)^2+(c-a)^2]`")
![Prove that: `2a^2+2b^2-2a b-2b c-2c a=[(a-b)^2+(b-c)^2+(c-a)^2]`](http://i.ytimg.com/vi/1dV0SzLU-_k/mqdefault.jpg "Prove that: `2a^2+2b^2-2a b-2b c-2c a=[(a-b)^2+(b-c)^2+(c-a)^2]`")
