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Diketahui fungsi  dengan  dan fungsi  dengan  dan ...

Diketahui fungsi size 14px f size 14px space size 14px colon size 14px space size 14px R size 14px rightwards arrow size 14px R dengan size 14px f size 14px left parenthesis size 14px x size 14px right parenthesis size 14px equals size 14px 2 size 14px x size 14px plus size 14px 2 dan fungsi size 14px g size 14px space size 14px colon size 14px space size 14px R size 14px rightwards arrow size 14px R dengan size 14px g size 14px left parenthesis size 14px x size 14px right parenthesis size 14px equals size 14px x size 14px minus size 14px 1 dan fungsi size 14px h size 14px space size 14px colon size 14px space size 14px R size 14px rightwards arrow size 14px R dengan size 14px h size 14px left parenthesis size 14px x size 14px right parenthesis size 14px equals size 14px x to the power of size 14px 2 size 14px plus size 14px 6. Tentukanlah:

e.   Apakah begin mathsize 14px style left parenthesis left parenthesis f ring operator g right parenthesis ring operator h right parenthesis left parenthesis x right parenthesis equals left parenthesis f ring operator left parenthesis g ring operator h right parenthesis right parenthesis left parenthesis x right parenthesis end style?

  1. .... 

  2. .... 

Jawaban:

begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row cell left parenthesis left parenthesis f ring operator g right parenthesis ring operator h right parenthesis left parenthesis x right parenthesis end cell equals cell left parenthesis f ring operator left parenthesis g ring operator h right parenthesis right parenthesis left parenthesis x right parenthesis end cell row cell 2 x squared plus 12 end cell equals cell 2 x squared plus 12 end cell end table end style

Jadi, terbukti bahwa size 14px left parenthesis size 14px left parenthesis size 14px f size 14px ring operator size 14px g size 14px right parenthesis size 14px ring operator size 14px h size 14px right parenthesis size 14px left parenthesis size 14px x size 14px right parenthesis size 14px equals size 14px left parenthesis size 14px f size 14px ring operator size 14px left parenthesis size 14px g size 14px ring operator size 14px h size 14px right parenthesis size 14px right parenthesis size 14px left parenthesis size 14px x size 14px right parenthesis.

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