Published by:
CGP EDU Academic Team
Published on: August 13, 2026
If x, y, z ∈ R & Δ = 
= − 16 then value of x is
Text Solution
Verified by ExpertsThe correct answer is:
C
Δ = 
= – 16
Applying R 2 → R 2 – 2R 1 & R 3 → R 3 – 3R 1
Δ = 
= – 16
Applying R 3 → R 3 – R 2
= – 16
Applying R 2 → R 2 – 3R 1
= – 16 ⇒ – 2x(x 2 – 0) = – 16 ⇒ x 3 = 8 ⇒ x = 2
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