exam Maths Puzzle Numerical Ability

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1. (L v P)> U
2. (M > U)> I
3. P /I

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exam Other Question

2. The following equation has degree 4 because the highest power of the variable x is 4:
x^4 � 3 x^2 + 2 = 0.
Explain how one can use the quadratic formula to solve this equation by using a change of variable. Solve this equation completely. x-√x-0, perform the following:
sovle for all values of x that satisfies the equation.
answer:

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