Question

plzz help me with this​

Answer 1

Answer:

2a + 2√(a² - 4)

Step-by-step explanation:

(√(a + 2) + √(a - 2))²

By the identity (a + b)² = a² + 2ab + b²

= √(a + 2)² + 2 x √(a + 2) x √(a - 2) + (√a - 2)²

= a + 2 + 2√(a² - 4) + a - 2

= 2a + 2√(a² - 4)

Hope this helps! :)