10. If a + b + c = 9 and ab + bc + ca = 26, find a² + b + c?
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a+b+c = 9
on sq we get
a^2 +b^2 + c^2 + 2(ab+bc+ca)=81
a^2 +b^2 + c^2 =81-52
a^2 +b^2 + c^2 = 29
pls mark brainliest
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