Question

if a= root3+1/ root3-1 and b =1/a find the value of a²+b² and a ³+b³​

Answer 1

substitute the values

cancel out like terms

apply equation

$\frac{ {(x + y)}^{2} }{( {x - y)}^{2} }$

cancel out like terms

solve the fraction

factorise the solution

cancel out like terms

simplify the solution