1.

If x^2+ y^2=13 and xy=6, find x-y

Answer»

Answer:

1

Step-by-step EXPLANATION:

We KNOW,

(x-y)^2= x^2+y^2-2xy

=>x-y=√x^2+y^2-2xy

=√13-2×6

=√13-12

=√1=1



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