Pertanyaan

Jika maka ....

D. Kamilia

Master Teacher

Mahasiswa/Alumni Universitas Negeri Malang

Jawaban terverifikasi

Pembahasan

Perhatikan bahwa Sehingga Jadi,

Perhatikan bahwa

$begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row cell open parentheses straight f ring operator straight f close parentheses open parentheses straight x close parentheses end cell equals cell straight f open parentheses straight f open parentheses straight x close parentheses close parentheses end cell row blank equals cell straight f open parentheses negative 1 over straight x close parentheses end cell row blank equals cell negative fraction numerator 1 over denominator open parentheses negative 1 over straight x close parentheses end fraction end cell row blank equals cell fraction numerator 1 over denominator 1 over straight x end fraction end cell row blank equals straight x row blank equals cell straight I open parentheses straight x close parentheses end cell end table end style$

Sehingga

Jadi,

$begin mathsize 14px style open parentheses straight f ring operator straight f ring operator straight f ring operator straight f ring operator straight f close parentheses open parentheses negative 2 close parentheses equals straight f open parentheses negative 2 close parentheses equals negative fraction numerator 1 over denominator negative 2 end fraction equals 1 half end style$