Question

solve x⁴+y⁴ if x+y=8,xy=12

Answer 1

x = 6 
y = 2
 6^{4}  +   2^{4}  = 1296 + 16 =1312

Answer 2

by trial and eror method we get x=2,y=6 or x=6 ,y=2 in both the cases we get same answer since it is addition.2^4=16 and 6^4=1296,1296+16=1312