If x+y=6and xy=10,find the value of x^2+ty^2.
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x+y=6
xy=10
(x+y)^2=6^2
x^2 + y^2 + 2xy =36
x^2 + y^2 = 36-20=16
xy=10
(x+y)^2=6^2
x^2 + y^2 + 2xy =36
x^2 + y^2 = 36-20=16
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