tolong dengan cara [tex](3 {}^{10} + 3 {}^{ - 8} ) {}^{2} - (3 {}^{10} - 3 {}^{ - 8} ) {}^{2} [/tex]
Matematika
awikayuli
Pertanyaan
tolong dengan cara
[tex](3 {}^{10} + 3 {}^{ - 8} ) {}^{2} - (3 {}^{10} - 3 {}^{ - 8} ) {}^{2} [/tex]
[tex](3 {}^{10} + 3 {}^{ - 8} ) {}^{2} - (3 {}^{10} - 3 {}^{ - 8} ) {}^{2} [/tex]
1 Jawaban
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1. Jawaban Anonyme
Kelas 9 Matematika
Bab Akar dan Pangkat
^ = pangkat
(3^10 + 3^(-8))² - (3^10 - 3^(-8))²
= (3^10 + 3^(-8) + 3^10 - 3^(-8)) . (3^10 + 3^(-8) - 3^10 + 3^(-8))
= (2 . 3^10) . (2 . 3^(-8))
= 4 . 3^(10 - 8)
= 4 . 3²
= 4 . 9
= 36