Question

if x = 1 - root 2 ,find X+ 1 by X whole square​

Answer 1

Step-by-step explanation:

x=1-√2

x+1/x^2=1+1-√2/(1-√2)^2

=2-√2/1-2√2+2

=2(√2-1)/3-2√2

=0.414/0.172

=0.40