If x = 3 + 2 √2, then the value of √x

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x = 3 + 2√2

∴	1	=	1
	x		3 + 2√2

=	1	×	3 − 2√2
	3 + 2√2		3 − 2√2

=	3 − 2√2	= 3 − 2√2
	9 − 8

∴		√x +	1		²	= x +	1	− 2
			√x				x

= 3 + 2√2 + 3 − 2√2
= 4

∴	√x −	1	= 2
		√x