Roboguru

Jika , hasil dari adalah...

Jika begin mathsize 14px style open vertical bar a with rightwards harpoon with barb upwards on top close vertical bar equals 4 comma space open vertical bar b with rightwards harpoon with barb upwards on top close vertical bar equals 6 space dan space open vertical bar a with rightwards harpoon with barb upwards on top plus straight b with rightwards harpoon with barb upwards on top close vertical bar equals 8 end style, hasil dari begin mathsize 14px style open vertical bar a with rightwards arrow on top minus b with rightwards arrow on top close vertical bar end style adalah...

Jawaban:

Diketahui begin mathsize 14px style open vertical bar a with rightwards harpoon with barb upwards on top close vertical bar equals 4 comma space open vertical bar b with rightwards harpoon with barb upwards on top close vertical bar equals 6 space dan space open vertical bar a with rightwards harpoon with barb upwards on top plus straight b with rightwards harpoon with barb upwards on top close vertical bar equals 8 end style, maka

begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row cell open vertical bar a with rightwards arrow on top plus b with rightwards arrow on top close vertical bar squared end cell equals cell open vertical bar a with rightwards arrow on top close vertical bar squared plus open vertical bar b with rightwards arrow on top close vertical bar squared plus 2 a with rightwards arrow on top times b with rightwards arrow on top end cell row cell 8 squared end cell equals cell 4 squared plus 6 squared plus 2 a with rightwards arrow on top times b with rightwards arrow on top end cell row cell a with rightwards arrow on top times b with rightwards arrow on top end cell equals 6 end table end style

hasil dari begin mathsize 14px style open vertical bar a with rightwards arrow on top minus b with rightwards arrow on top close vertical bar end style adalah

begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row cell open vertical bar a with rightwards arrow on top minus b with rightwards arrow on top close vertical bar squared end cell equals cell open vertical bar a with rightwards arrow on top close vertical bar squared plus open vertical bar b with rightwards arrow on top close vertical bar squared minus 2 a with rightwards arrow on top times b with rightwards arrow on top end cell row blank equals cell 4 squared plus 6 squared minus 2 left parenthesis 6 right parenthesis end cell row cell open vertical bar a with rightwards arrow on top minus b with rightwards arrow on top close vertical bar squared end cell equals 40 row cell open vertical bar a with rightwards arrow on top minus b with rightwards arrow on top close vertical bar end cell equals cell square root of 40 equals 2 square root of 10 end cell end table end style

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