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प्रश्न
Choose the correct answer from the given alternatives in the following question:
If A = `[(1,2),(3,4)]` , adj A = `[(4,"a"),(-3,"b")]`, then the values of a and b are
पर्याय
a = - 2, b = 1
a = 2, b = 4
a = 2, b = - 1
a = 1, b = - 2
उत्तर
a = - 2, b = 1
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