Question

7.
If x= 3 +2√2 then value of x2 - 6x + 1.
1) 0
2) 1
3)-1
4)2​

Answer 1

Answer:

x=3+2root 2

=(3+2root2)^2- 6(3+2root2)+1

=9+8+12root 2 - 18-12root 2+1 (formula used= (a+b)^2)

=9+8-18+1

=0

Answer 2

Answer:

$a \: will \: be \: the \: answer$

Step-by-step explanation:

$x = 3 + 2 \sqrt{2}$

then

$1 \div x = 3 - 2 \sqrt{2}$