Q1. The value of λ, for which the system has a non-trivial solution: x + y + z = 0, 2x + y - λz = 0, x + 2y - 2z = 0.Mathematics — NUST Mock 2 — Question 1 of 200A. 5B. ±5C. -5D. ±4Practice more Mathematics MCQs for entrance exam preparation on Examora.io. Next Question →