If x = 2 + √3, y = 2 - √3, then the value of

Given that :- x = 2 + √3, y = 2 - √3
x + y = 4; xy = 4 – 3 = 1

	x² + y²	=	( x + y )² - 2xy
	x³ + y³		( x + y )³ - 3xy( x + y )

Putting the above given values , we get

x² + y²	=	16 - 2	=	14
x³ + y³		64 - 3 x 4		52

x² + y²	=	7
x³ + y³	=	26