Question

Mohon bantuannya, nanti sore dikumpul pakai caranya​

Answer 1

Jawab:

Penjelasan dengan langkah-langkah:

(x⁻² - y⁻²) / (xy)⁻²

= (x⁻²/(xy)⁻²) - (y⁻²/(xy)⁻²)

= (1/y⁻²) - (1/x⁻²)

= y² - x²

= (y + x) . (y - x)

= - (x + y) . (x - y)

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Jawabannya B