please answer me this question
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Ans) [(1/4)^-1 - (1/6)^-1]^-1
= [(4)1 - (6)^1]^-1 = [4-6]^-1 = [-2]^-1 = -1/2
= [(4)1 - (6)^1]^-1 = [4-6]^-1 = [-2]^-1 = -1/2
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