The value of k, for which the polynomial X3-3x2+3x+k has 3 as its zero is?

  • 11

P(x) = x3 - 3x2 + 3x + k has a zero as 3.

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Hence P(3) = x3 - 3x2 + 3x + k = 0

(3)3 - 3(3)2 + 3(3) + k = 0

9 - 27 + 9 + k = 0

Hence k = 27 - 18 = 9.

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Value of k = 9

  • -4

:o Ty

  • -2

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