Question

Find the value of [ √a + √b ] X [ √a – √b ]

Answer 1

Answer:

a-b is the right answer.

Answer 2

$\red\implies$a-b

Step-by-step explanation:

$[ √a + √b ] × [ √a – √b ]$

$\red\implies$$[ (√a)^2– (√b)^2]$$\\----->((a+b)(a-b)= (a^2-b^2)$

$\red\implies$[a - b]

$\red\implies$a-b