Question

If x+y =7 and xy= 3 find value of x power 2 +y power 2

Answer 1

Answer:

43

Step-by-step explanation:

x+y=7

square on both sides

(x+y)^2=49

x^2+y^2+2xy=49

x^2+y^2+2×3=49

x^2+y^2=49-6=43

hope this helps

Answer 2

Answer:

q

Step-by-step explanation:

43 is the answer

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