(a+b+c)^(2)=a^(2)+b^(2)+c^(2)+2(ab+bc+ca...

`(a+b+c)^(2)=a^(2)+b^(2)+c^(2)+2(ab+bc+ca)`

(a+b+c)^(2)=a^(2)+b^(2)+c^(2)+2(ab+bc+ca)
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सिद्ध कीजिए की |{:(,a,b,c),(,a^(2),b^(2),c^(2)),(,bc,ca,ab):}|=(a-b)(...
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show that the determinant |{:(a^(2)+b^(2)+c^(2),,bc+ca+ab,,bc+ca+a...
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Prove that |[(a+b)^(2),ca,bc],[ca,(b+c)^(2),ab],[bc,ab,(c+a)^(2)]|=2ab...
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|{:(" "a^2," "bc,c^2+ca),(a^2+ab," "b^2," "ca),(" "ab,b^2+bc," "c^2...
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|(b^(3)+c^(2),ab,ac),(ab,c^(2)+a^(2),bc),(ca,bc,a^(3)+b^(2))|=
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|((a+b)^(2),ca,bc),(ca,(b+c)^(2),ab),(bc,ab,(c+a)^(2))|=
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|(a,b,c),(a^(2),b^(2),c^(2)),(bc,ca,ab)|=
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দেখাও যে, [[bc,a,a^2],[ca,b,b^2],[ab,c,c^2]]=(a-b)(b-c)(c-a)(bc+ca+ab)
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