AP EAMCET Engineering 2015 Code C Paper
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Question : 36 of 160
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If f is defined in [ 1 , 3 ] by f ( x ) = x 3 + b x 2 + a x , such that f ( 1 ) − f ( 3 ) = 0 and f ′ ( c ) = 0 where c = 2 +
, then ( a , b ) =
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