If $(x) = $'(x) and $(1) = 2, then ...
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If (x) = '(x) and (1) = 2, then 0(3) equals (B) 2 e2 (C)3 e2 (D) 2 e3 (A) e2

JEE/Engineering Exams
Maths
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( phi(x)=phi^{prime}(x) rightarrow ) invowes ( f^{n} e ) ( phi(1)=2 ) we need power of ( e ) to be 0 to get 1 ( therefore phi(x)=2 e^{x-21} ) ( therefore(x)=2 e^{x-4} 1 ) ( therefore phi(1)=2 ) ( therefore quad phi(3)=2 e^{3-1} ) ( phi(3)=2 e^{2} )
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