Question

x+y=8,xy=12 then x^2+y^4=​

Answer 1

Answer:

this is the answer. i hope it's helpful

Answer 2

Answer:

x+y=8

S.O.B.S

(x+y)2=64

x2+y2+2xy=64

Given xy=12

x2+y2+2(12)=64

x2+y2=64−24

x2+y2=40

S.O.B.S

(x2+y2)2=402

x4+y4+2x2y2=1600

x4+y4+2(12)2=1600

x4+y4=1600−288

x4+y4=1312