If a + b + c =10 and ab + bc + ca = 30, then the value of a 2 + b 2 + c 2 is:

SSC CHSL 25 May 2022 Shift 1 Paper

Section: Quantitative Aptitude

Question : 56 of 100

Marks: +1, -0

If a + b + c =10 and ab + bc + ca = 30, then the value of a² + b² + c² is:

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