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\frac{3 x - 1}{(x - 1) (x^{2} + 1)} = \frac{A}{x + 1} + \frac{B x + 1}{x^{2} + 1}

অভেদে A ও B এর মান কত?

A =2 , B =2

A =2, B =-2

A =-2 , B =2

A =2 , b =2

ANS : 3

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