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ans:-
x+2=13
Step-by-step explanation:
Solution :
let first odd positive integer bex
let the next integer bex+2
acc to question
x2+(x+2)2=290
x2+x2+4+4x=290
2x2+4x−286=0
x2+2x−143=0
x2+13x−11x−143=0
x(x+13)−11(x+13)=0
(x−11)(x+13)=0
x=11,−13
as x cant be negative, so x=11
x+2=13
answer
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