Question

Como eu resolvo:


(1 - √2)^4

Answer 1

(1-√2)^4

[(1-√2)²].[(1-√2)²]

[1-2√2+2].[1-2√2+2]

[-2√2+3].[-2√2+3]

(-2√2+3)²

(3-2√2)²

9-12√2+8

17-12√2

Answer 2

$(1 - 2^{1/2})^{4}$
$(1^{4} - 2^{2})$
1 - 16
-15