Digital PSAT Math Practice Question 31: Answer and Explanation
Question: 31
is equivalent to which of the following?
- A.
- B.
- C.
- D.
Correct Answer: A
Explanation:
(A) Simplify the expression:
Cancel the n2 terms on the outside:
Flip the fraction so it has a positive exponent:
Square both the numerator and the denominator and simplify:
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