Question

solve the question ​

Answer 1

Step-by-step explanation:

here you go

Mark me brilliant

Answer 2

Answer:

3-2√2

Step by Step Explained

We know that (a+b)^2 = a^2 + b^2 +2ab

So, (√2-1)^2 = (√2)^2 + (-1)^2 + 2×√2×(-1)

= 2 + 1 + (-2√2)

= 3-2√2