1.

If a, b, c are natural numbers such that a2 + b2 + c2 = 29 and ab + bc + ca = 26, and a + b + c = ______.(a) 9(b) 6(c) 7(d) 10

Answer» If a, b, c are natural numbers such that a2 + b2 + c2 = 29 and ab + bc + ca = 26, and a + b + c = ______.

(a) 9

(b) 6

(c) 7

(d) 10


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