x+y=5,x-y=3. x2+y2=? (a)15. (b)16. (c)17. (d)18
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here, by elimination method, x+y=5
x-y=3
2x=8
x=4
therefore, y=1
idk what u typed, but if its X^2+y^2 then,
16+1=17
and if its 2x+2y then,
2(4)+2(1)=10
thanks, no hate, Enjoy SC
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