Question

if X +y =9 and xy=10 find the value of x square and y square​

Answer 1

Answer:

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

(9)2=x2+y2+2(10)

81=x2+y2+20

61=x2+y2

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Answer 2

Answer:

solution

is in attachment

hope it helps you....