Question

(" P S 3 cm O 4 cm 3 cm X х 4 cm Q R t + (iv)​

Answer 1

Answer:

Correct option is

B

A is non-singular

Let ∣A∣=0

∴A−1 exists.

Given AB=AC

Now, pre multiplying by A−1 on both sides. we get,

A−1AB=A−1AC

⇒IB=IC

⇒B=C

So, A is non singular.

Option B is correct.

Step-by-step explanation:

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