Question

1+x=root 2-root 2x rationalisation

Answer 1

Answer:

Step-by-step explanation:

1+x=√2-√2x

X+√2x=√2-1

X(1+√2)=√2-1

X=(√2-1)/(1+√2)

={(√2-1)×(√2-1)}/{√2}^2-1

={2+1-2√2}/2-1

=3-2√2 Answer