By what number should (2/3)raised to -2 be multiplied to get (4/7) raised to -1
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Let the no. be 'x',
Therefore, x × (2/3)^(-2) = (4/7)^(-1)
=> x × (3/2)^(2) = (7/4)^(1)
=> x × (9/4) = (7/4)
=> x = (7/4) × (4/9)
=> x = (7/9) .
Therefore, x × (2/3)^(-2) = (4/7)^(-1)
=> x × (3/2)^(2) = (7/4)^(1)
=> x × (9/4) = (7/4)
=> x = (7/4) × (4/9)
=> x = (7/9) .
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