Question

x+ y =5 ,xy = 6 ,find x2 + y 2, and x4 + y 4​

Answer 1

Answer:

Step-by-step explanation:

(x+y)2= x2+y2+2xy

(5)2= x2+y2+2*6

25= x2+y2+12

25-12=x2+y2

13=x2+y2

Answer 2

Answer:

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