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Let A=[(1,-1,1),(2,1,-3),(1,1,1)] and B=...

Let `A=[(1,-1,1),(2,1,-3),(1,1,1)]` and `B=[(4,2,2),(-5,0,alpha),(1,-2,3)]` If `B` is the inverse of matrix `A ,` then `alpha=` (A) 2 (B) `-2` (C) 5 (D) `-5`

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RESONANCE DPP-JEE MAINS-All Questions
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