On using elementary row operation R 1 → R 1 — 3R 2 in the following matrix equation: we have:

Question

Philoid · Accepted Answer

Elementary row transformation is applied on the first matrix of RHS.

Applying R₁→ R₁ — 3R₂ we have -

⇒

Clearly it matches with option (A)

∴ Option (A) is the correct answer.