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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