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[" 5.If "a+b+c=9,,ab+bc+ca=40" .Find "a^...

[" 5.If "a+b+c=9,,ab+bc+ca=40" .Find "a^(2)+b^(2)+c^(2)],[[" (a) "1," (b) "2," (c) "0," (d) "-1]]

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If a+b+c=9 and ab+bc+ca=40, find a^(2)+b^(2)+c^(2)

If a+b+c=9 and ab+bc+ca=40, find a^(2)+b^(2)+c^(2).

if a +b+c=9 and ab+bc+ca=26,find a^(2)+b^(2)+c^(2).

if a +b+c=9 and ab+bc+ca=26,find a^(2)+b^(2)+c^(2).

If a + b+ c= p and ab + bc + ca= q , find a^(2) +b^(2) + c^(2)

If a+b+c=9 and ab + bc + ca = 26, find a^2 + b^2 +c^2.

If a+b+ c=9 and ab + bc +ca = 15 , find : a^2 + b^2 + c^2 .

If a + b- c = 4 and a^(2) + b^(2) + c^(2)= 38 , find ab- bc - ca

If a+b+ c =9 and a^(2) + b^(2) + c^(2) = 29 , find ab + bc + ca .

If a + b +c =9 and ab + bc + ca =26, then find a ^(2) + b ^(2) + c ^(2).