Final answer:
The perfect square trinomial among the given choices is 25n² - 60n + 36.
Step-by-step explanation:
To determine which of the given trinomials is a perfect square, we need to look for the pattern of the trinomial being in the form of (a + b)². In this form, both 'a' and 'b' are perfect squares.
Let's analyze each answer choice:
- A) 25n² - 60n + 36 = (5n - 6)², since 5n² - 6n + 6n - 6² = 5n² - 12n + 36
- B) n² - n - 12 = not a perfect square trinomial
- C) 16n² - 1 = not a perfect square trinomial
- D) 4n⁴ - 16n + 10 = not a perfect square trinomial
Therefore, the correct answer is A) 25n² - 60n + 36, as it is a perfect square trinomial.