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If a + b + c = 9 and ab + bc + ca = 23, then a2 + b2 + c2 =(a) 35(b) 58(c) 127(d) none of these |
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Answer» If a + b + c = 9 and ab + bc + ca = 23, then a2 + b2 + c2 = (a) 35 (b) 58 (c) 127 (d) none of these |
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