If x2+ x = 19, then what is the value of (x + 5)2+ [1/(x + 5)2]?
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If x + [1/(4x)] = 5/2, then what is the value of (64x6+ 1)/8x3?
If 3x + [1/(5x)] = 7, then what is the value of 5x/(15x2+ 15x + 1)?
If x3+ 2x2– 5x + k is divisible by x + 1, then what is the value of k?
Circum center of ΔABC is O. If ∡BAC = 75 and ∡BCA = 80 degrees,
then what is the value of ∡OAC(in deg)?
If 3a – (3/a) – 3 = 0, then what is the value of a3 – (1/a3) + 2?
If (x/y)a-4 = (y/x)2a-5, then what is the relation between x and y?
If the expression px3 – 2x2 – qx + 18 is completely divisible by (x2 – 9), then what is the ratio between p and q respectively?
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