Penjelasan dengan langkah-langkah:
3-² - 9-²
1/3² - 1/9²
1/9 - 1/81
9/81 - 1/81
8/81
Jawab:
Penjelasan:3⁻² - 9⁻² = 3⁻² - (3²)⁻² = 3⁻² - (3⁻²)² = 3⁻²(1 - 3⁻²)
a⁻ⁿ = maka3⁻²(1 - 3⁻²)
(Xcvi)
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Penjelasan dengan langkah-langkah:
3-² - 9-²
1/3² - 1/9²
1/9 - 1/81
9/81 - 1/81
8/81
Jawab:
Penjelasan:
3⁻² - 9⁻²
= 3⁻² - (3²)⁻²
= 3⁻² - (3⁻²)²
= 3⁻²(1 - 3⁻²)
a⁻ⁿ = maka
3⁻²(1 - 3⁻²)
(Xcvi)