If \(\left( {x + \frac{1}{x}} \right){ \text{ = 2,}}\) then \(\left( {x - \frac{1}{x}} \right)\) is equal to = ?
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25 * 3.250 + 50.40 / 24.0 = ?
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2
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5 - [4 - {3 - (3 - 3 - 6)}] is equal to:
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3
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( √5 – 2)^2 = x – √80
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4
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24.962 ÷ (34.11 ÷ 20.05) + 67.96 - 89.11 = ?
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5
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If a - b = 3 and a2 + b2 = 29, find the value of ab = ?
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6
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If \(\left( {a + \frac{1}{a}} \right) = 6, then \left( {{a^4} + \frac{1}{{{a^4}}}} \right)\) = ?
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7
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(4/9) × 1701 + (2/11) × 1386 = ?
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8
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If (2a+b)/(a+4b)=3 , then find the value of (a+b)/(a+2b)
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9
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Given that ( 12 + 22 + 32 + .......... + 102 ) = 385, then the value of ( 22 + 32 + 42 + .......... + 202 ) is equal to = ?
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10
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Supply the two missing figures in order indicated by x and y in the given equation, the fractions being in their lowest terms.
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