Roboguru

Diketahui polinomial , , dan . Tentukan operasi be...

Diketahui polinomial f open parentheses x close parentheses equals 2 x cubed plus 5 x squared minus 1g open parentheses x close parentheses equals 2 x squared plus 5, dan h open parentheses x close parentheses equals 3 x. Tentukan operasi berikut

e. open square brackets f open parentheses x close parentheses plus g open parentheses x close parentheses close square brackets cross times h open parentheses x close parentheses

f. open square brackets f open parentheses x close parentheses cross times h open parentheses x close parentheses close square brackets plus open square brackets g open parentheses x close parentheses cross times h open parentheses x close parentheses close square brackets

Jawaban:

Dengan menggunakan konsep penjumlahan dan perkalian dua fungsi diperoleh

e. open square brackets f open parentheses x close parentheses plus g open parentheses x close parentheses close square brackets cross times h open parentheses x close parentheses

table attributes columnalign right center left columnspacing 0px end attributes row cell open square brackets f open parentheses x close parentheses plus g open parentheses x close parentheses close square brackets cross times h open parentheses x close parentheses end cell equals cell open square brackets open parentheses 2 x cubed plus 5 x squared minus 1 close parentheses plus open parentheses 2 x squared plus 5 close parentheses close square brackets cross times 3 x end cell row blank equals cell open square brackets 2 x cubed plus 5 x squared plus 2 x squared minus 1 plus 5 close square brackets cross times 3 x end cell row blank equals cell open square brackets 2 x cubed plus 7 x squared plus 4 close square brackets cross times 3 x end cell row blank equals cell 6 x to the power of 4 plus 21 x cubed plus 12 x end cell end table

Dengan demikian hasil dari

 Error converting from MathML to accessible text..

f.  open square brackets f open parentheses x close parentheses cross times h open parentheses x close parentheses close square brackets plus open square brackets g open parentheses x close parentheses cross times h open parentheses x close parentheses close square brackets

table attributes columnalign right center left columnspacing 0px end attributes row blank blank cell open square brackets f open parentheses x close parentheses cross times h open parentheses x close parentheses close square brackets plus open square brackets g open parentheses x close parentheses cross times h open parentheses x close parentheses close square brackets end cell row blank equals cell open square brackets open parentheses 2 x cubed plus 5 x squared minus 1 close parentheses cross times open parentheses 3 x close parentheses close square brackets plus open square brackets open parentheses 2 x squared plus 5 close parentheses cross times open parentheses 3 x close parentheses close square brackets end cell row blank equals cell open parentheses 6 x to the power of 4 plus 15 x cubed minus 3 x close parentheses plus open parentheses 6 x cubed plus 15 x close parentheses end cell row blank equals cell 6 x to the power of 4 plus 15 x cubed plus 6 x cubed minus 3 x plus 15 x end cell row blank equals cell 6 x to the power of 4 plus 21 x cubed plus 12 x end cell end table

Dengan demikian hasil dari 

Error converting from MathML to accessible text..

0

Ruangguru

RUANGGURU HQ

Jl. Dr. Saharjo No.161, Manggarai Selatan, Tebet, Kota Jakarta Selatan, Daerah Khusus Ibukota Jakarta 12860

Coba GRATIS Aplikasi Ruangguru

Produk Ruangguru

Produk Lainnya

Hubungi Kami

Ikuti Kami

©2021 Ruangguru. All Rights Reserved