(8^-1-9^-1)^-1÷(4^-1-9^-1)^-1
Find the value of
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Answer:
(1/8 - 1/9) ^-1 ÷ (1/4 - 1/9) ^-1
=> (17/72)^-1 ÷ ( 13/36) ^-1
=> 72/17 × 13/36
=> 936/612...
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