tolong bantu (a^-2 + b^-2) : (a^-2 - b^-2)

Jawaban : Terlampir

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Exponen.

[tex]\displaystyle \frac{a^{-2}+b^{-2}}{a^{-2}-b^{-2}}\\ =\frac{\frac{1}{a^2}+\frac{1}{b^2}}{\frac{1}{a^2}-\frac{1}{b^2}}\\ =\frac{\frac{b^2+a^2}{a^2b^2}}{\frac{b^2-a^2}{a^2b^2}}=\frac{b^2+a^2}{b^2-a^2}[/tex]