Page 49 - Bahan Ajar Matematika Dasar

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; ;
f’(c) = lim = f’(t) = lim
→ ; → ;

; ( ) ; ( )
f’(x) = lim = f’(x) = lim dll.
→ ; → ;

CONTOH:

Tentukan f’(t) jika f’(x)= 3
;2
PENYELESAIAN:

f’(t) = lim ; ( ) = f’(x)
→ ;

3 ; 3
= lim −2 −2
→ ;

=lim 3 ;2 ;3( ;2) . 1

→ ;2 ( ;2) ;

=lim 3 ;6;3 :6
→ ;2 ;2 ( ; )

=lim ;3( ; )
→ ;2 ;2 ( ; )

f’(t) =lim ;3

→ ( ;2) 2

Matematika Dasar