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[" 210- Jolve: "(7^(-1)-8^(-1))^(-1)-(3^...

[" 210- Jolve: "(7^(-1)-8^(-1))^(-1)-(3^(-1)-4^(-1))^(-1)],[" (A) "44]

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The value of (7^(-1)-8^(-1))^(-1)-(3^(-1)-4^(-1))^(-1) is

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(7)/(8)-:(7(1)/(2)-5(1)/(6)-:2(3)/(4))+4(1)/(2)

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