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Jika diketahui P = ( 1 − 2 ​ − 3 5 ​ ) dan Q = ( 2 3 ​ − 1 − 4 ​ ) , tentukanlah: e. P + 2 QP + Q

Jika diketahui  dan  , tentukanlah:

e.  

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N. Puspita

Master Teacher

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 table attributes columnalign right center left columnspacing 0px end attributes row cell straight P plus 2 QP plus straight Q end cell equals cell open parentheses table row 11 cell negative 26 end cell row 23 cell negative 57 end cell end table close parentheses end cell end table.

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Pembahasan
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Diketahui dan . Maka: Sehingga: Jadi, .

Diketahui straight P equals open parentheses table row 1 cell negative 3 end cell row cell negative 2 end cell 5 end table close parentheses dan  straight Q equals open parentheses table row 2 cell negative 1 end cell row 3 cell negative 4 end cell end table close parentheses. Maka:

table attributes columnalign right center left columnspacing 0px end attributes row QP equals cell open parentheses table row 2 cell negative 1 end cell row 3 cell negative 4 end cell end table close parentheses open parentheses table row 1 cell negative 3 end cell row cell negative 2 end cell 5 end table close parentheses end cell row blank equals cell open parentheses table row cell 2 plus 2 end cell cell negative 6 minus 5 end cell row cell 3 plus 8 end cell cell negative 9 minus 20 end cell end table close parentheses end cell row blank equals cell open parentheses table row 4 cell negative 11 end cell row 11 cell negative 29 end cell end table close parentheses end cell end table 

Sehingga:

table attributes columnalign right center left columnspacing 0px end attributes row cell straight P plus 2 QP plus straight Q end cell equals cell open parentheses table row 1 cell negative 3 end cell row cell negative 2 end cell 5 end table close parentheses plus 2 space open parentheses table row 4 cell negative 11 end cell row 11 cell negative 29 end cell end table close parentheses plus open parentheses table row 2 cell negative 1 end cell row 3 cell negative 4 end cell end table close parentheses end cell row blank equals cell open parentheses table row 1 cell negative 3 end cell row cell negative 2 end cell 5 end table close parentheses plus open parentheses table row 8 cell negative 22 end cell row 22 cell negative 58 end cell end table close parentheses plus open parentheses table row 2 cell negative 1 end cell row 3 cell negative 4 end cell end table close parentheses end cell row blank equals cell open parentheses table row cell 1 plus 8 plus 2 end cell cell negative 3 minus 22 minus 1 end cell row cell negative 2 plus 22 plus 3 end cell cell 5 minus 58 minus 4 end cell end table close parentheses end cell row blank equals cell open parentheses table row 11 cell negative 26 end cell row 23 cell negative 57 end cell end table close parentheses end cell end table 

Jadi, table attributes columnalign right center left columnspacing 0px end attributes row cell straight P plus 2 QP plus straight Q end cell equals cell open parentheses table row 11 cell negative 26 end cell row 23 cell negative 57 end cell end table close parentheses end cell end table.

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