1.

If A=∣∣∣∣2λ−3025113∣∣∣∣, then A−1 exists, if (a) λ=2 (b) λ≠2 (c) λ≠−2 (d) None of these

Answer»

If A=
2λ3025113
, then A1 exists, if

(a) λ=2
(b) λ2
(c) λ2
(d) None of these



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