Posted by aqdas on Friday, May 2, 2008 at 11:33am.
If x=1/7+4√3 and y=1/74√3, then find the value of (i)x2+y2 (ii)x3+y3

math  bobpursley, Friday, May 2, 2008 at 11:36am
Well x^2=1/49 + 48+8/7 *sqrt3
and y^2=1/49  48+8/7 *sqrt3
check those. Then add them.