Expand and simplify trinomial square (a + b + c)^2 = a^2+b^2+c^2+2ab+2ac+2bc - YouTube
a+b+c=0, a^2+b^2+c^2=-2(ab+bc+ac) - YouTube
If a + b + c =2, a3+b3+C3=28 ,1/a + 1/b + 1 / c=0, and AC=4/b, what is the value a2+b2+c2 (here 2 is square with constant)? - Quora
Question 7 - Show |-a2 ab ac ba -b2 bc ca cb -c2| = 4a2b2b2
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Using properties of determinants, show the following: |((b+c)^2,ab,ca),(ab ,(a+c)^2,bc),(ac,bc,(a+b)^2)|=2abc(a+b+c)^3 - Sarthaks eConnect | Largest Online Education Community
matrices - Prove that the determinant is $(a-b)(b-c)(c-a)(a^2 + b^2 + c^2 )$ - Mathematics Stack Exchange
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A minus B minus C whole Square Formula | (a-b-c)^2 Formula