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  9. Q2280

RRB Junior Engineer / DMS / CMA 2019 · Question 2280 of 3719

If $$x^{\frac{1}{3}} + y^{\frac{1}{3}} - z^{\frac{1}{3}} = 0$$, then find the value of $$(x + y - z)^3 + 27 xyz$$.

  1. A0Correct
  2. B$$-z^3$$
  3. C1
  4. D$$x^3 + y^3 - z^3$$

Answer: A. 0

Official answer key verified. Detailed explanation coming soon.

Source: RRB JE 2019 CBT-1 (28-May-2019 Shift 3) — cracku.in solved paper with answer key · reliable-secondary

← Q2279View full paper (3719 questions)Q2281 →

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