यदि बहुपद x3 – 3x2 + x + 1 = 0 के शून्यक a – b, a, a + b हो‚ तो b बराबर है

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यदि बहुपद x<sup>3 </sup>– 3x<sup>2 </sup>+ x + 1 = 0 के शून्यक a – b, a, a + b हो‚ तो b बराबर है