Question

plz give me answer fast​

Answer 1

Answer:

m²+1

Step-by-step explanation:

$\frac{m {}^{4} - 1 }{m {}^{2} - 1}$

a² - b² = (a-b)(a+b)

$= \frac{(m²)² - (1)²}{(m - 1)(m + 1)}$

$= \frac{(m² - 1)(m² + 1)}{(m - 1)(m + 1)}$

$= \frac{(m - 1)(m + 1)(m² + 1)}{(m - 1)(m + 1)}$

$= (m² + 1)$