TS EAMCET 14-Sep-2020 Shift 2 Solved Paper
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Question : 3 of 160
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Let f ( n ) = A ( − 2 ) n + B ( − 3 ) n ∀ A,B ∊ R and n∊ N{1, 2}. If
f ( n ) + a f ( n − 1 ) + b f ( n − 2 ) , then ( a + b ) ( b − a ) =
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