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The value of (2/5)-2 is:(a) 4/5 (b) 4/25 (c) 25/4 (d) 5/2 |
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Answer» (c) 25/4 Explanation: By the law of exponent we know: a-n = 1/an. Hence, (2/5)-2 = 1/(2/5)2 = 1/(4/25) = 25/4 |
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