Question

What is the value of 1ⁿ2 × 2ⁿ1?

Answer 1

1ⁿ2 = \(\frac{n_2}{n_1}\) and

2ⁿ1 = \(\frac{n_1}{n_2}\)

⇒ 1ⁿ2 x 2ⁿ1 = \(\frac{n_2}{n_1}\) x \(\frac{n_1}{n_2}\) = 1.

Hence the answer is 1.