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- If (x 4 + x 2 y 2 + y 4 ) = 216 and (x 2 - xy + y 2 ) = 12, then find the value of '3xy'.
- If x =7+4√3. then find the value of x +1/ x
- If x + y = 2 and 1/x + 1/y = 18/15, then find the value of (x3 + y3)?
- If x = 19 , find x 5 - 20 x 4 + 20 x 3 - 20x 2 + 20x - 20 = ?
- If a = (√2 - 1)1/3, then the value of (a-1/a)3 +3(a-1/a) is:
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- Question 8
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- 42.5% of 20% of 960 = x + 18.4, then find the sum of the squares of each digit in 'x'.
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