BD Merit - Freelancing, BCS, Bank, Primary, Admission, NTRCA

1 . fx=x3+ax3+2x3=0

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Answer: Option D

Explanation:

f (x) = x^{3} + a x^{3} + 2 x^{3} = 0 \Rightarrow x^{3} (1 + a + 2) = 0 \Rightarrow a + 3 = 0 ∴ a = - 3