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A^-1/[a^-1 - b^-1] + a^-1/[a^-1 + b^-1]

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User Mcsilvio
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Answer: Hopes it helps..... Your welcome

A^-1/[a^-1 - b^-1] + a^-1/[a^-1 + b^-1]-example-1
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User Roudi
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(a^(-1))/(a^(-1)-b^(-1))+(a^(-1))/(a^(-1)+b^(-1))=a^(-1)\left((a^(-1)+b^(-1))/((a^(-1)-b^(-1))(a^(-1)+b^(-1)))+(a^(-1)-b^(-1))/((a^(-1)+b^(-1))(a^(-1)-b^(-1)))\right)


=a^(-1)\left(((a^(-1)+b^(-1))+(a^(-1)-b^(-1)))/(a^(-2)-b^(-2))\right)


=(2a^(-2))/(a^(-2)-b^(-2))


=(2b^2)/(b^2-a^2)

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User Alyaxey
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