Iklan

Pertanyaan

Diketahui dan . Jika A − 1 = B , maka ad - bc = ....

Diketahui begin mathsize 14px style A equals open parentheses table row cell 6 a end cell cell negative 4 b end cell row cell negative 3 c end cell cell 2 d end cell end table close parentheses end style dan begin mathsize 14px style space B equals open parentheses table row cell negative 2 a end cell cell 6 c end cell row b cell negative 3 d end cell end table close parentheses end style . Jika   , maka ad bc =  ....

  1. begin mathsize 14px style fraction numerator 1 over denominator 2 square root of 2 end fraction space a t a u space minus fraction numerator 1 over denominator 2 square root of 2 end fraction end style 

  2. begin mathsize 14px style fraction numerator 1 over denominator 3 square root of 2 end fraction space a t a u space minus fraction numerator 1 over denominator 3 square root of 2 end fraction end style 

  3. begin mathsize 14px style fraction numerator 1 over denominator 4 square root of 2 end fraction space a t a u minus fraction numerator 1 over denominator 4 square root of 2 end fraction end style  

  4. begin mathsize 14px style fraction numerator 1 over denominator 6 square root of 2 end fraction space a t a u space minus fraction numerator 1 over denominator 6 square root of 2 end fraction end style 

  5. begin mathsize 14px style fraction numerator 1 over denominator 9 square root of 2 end fraction space a t a u space minus fraction numerator 1 over denominator 9 square root of 2 end fraction end style 

Ikuti Tryout SNBT & Menangkan E-Wallet 100rb

Habis dalam

00

:

14

:

23

:

10

Iklan

A. Acfreelance

Master Teacher

Jawaban terverifikasi

Pembahasan

Maka

begin mathsize 14px style det invisible function application open parentheses A to the power of negative 1 end exponent close parentheses equals fraction numerator 1 over denominator det invisible function application open parentheses A close parentheses end fraction end style 

Maka

begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row cell A to the power of negative 1 end exponent end cell equals B row cell det invisible function application open parentheses A to the power of negative 1 end exponent close parentheses end cell equals cell det invisible function application open parentheses B close parentheses end cell row cell fraction numerator 1 over denominator det invisible function application open parentheses A close parentheses end fraction end cell equals cell det invisible function application open parentheses B close parentheses end cell row cell fraction numerator 1 over denominator open parentheses 6 a close parentheses open parentheses 2 d close parentheses minus open parentheses negative 4 b close parentheses open parentheses negative 3 c close parentheses end fraction end cell equals cell open parentheses negative 2 a close parentheses open parentheses negative 3 d close parentheses minus open parentheses 6 c close parentheses open parentheses b close parentheses end cell row cell fraction numerator 1 over denominator 12 a d minus 12 b c end fraction end cell equals cell 6 a d minus 6 b c end cell row cell fraction numerator 1 over denominator 12 open parentheses a d minus b c close parentheses end fraction end cell equals cell 6 open parentheses a d minus b c close parentheses end cell row cell open parentheses a d minus b c close parentheses squared end cell equals cell 1 over 72 end cell row cell a d minus b c end cell equals cell plus-or-minus square root of 1 over 72 end root end cell row cell a d minus b c end cell equals cell plus-or-minus fraction numerator 1 over denominator 6 square root of 2 end fraction end cell end table end style 

Buka akses jawaban yang telah terverifikasi

lock

Yah, akses pembahasan gratismu habis


atau

Dapatkan jawaban pertanyaanmu di AiRIS. Langsung dijawab oleh bestie pintar

Tanya Sekarang

Perdalam pemahamanmu bersama Master Teacher
di sesi Live Teaching, GRATIS!

1

Iklan

Tanya ke AiRIS

Yuk, cobain chat dan belajar bareng AiRIS, teman pintarmu!