If (x+a)(x+b)(x+c) ≡ x³-10x² + 45x -15 find a+b+c, 1/a+1/b+1/c and
a²+b²+c².
If (x+a)(x+b)(x+c) ≡ x³-10x² + 45x -15 find a+b+c, 1/a+1/b+1/c and
a²+b²+c².
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