Free SAT Practice Question

Question 1 of 1
ID: DSAT-MATH-AM-014
Section: Digital SAT Math - Advanced Math
Topics: Equivalent expressions; MCQ
Difficulty level: Medium

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Which expression is equivalent to \(\left( x - \frac{1}{x} \right)^{2} - \left( x + \frac{1}{x} \right)^{2}\) ?
A\(2\left( x^{2} - \frac{1}{x^{2}} \right)\)
B\(2\left( x^{2} + \frac{1}{x^{2}} \right)\)
C\(- 4x\)
D\(- 4\)
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