a²+b=38 and ab=13 find a+b
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Step-by-step explanation:
a²+b^2=38
ab=13
(a+b)^2=a^2+b^2+2ab
(a+b)^2=38+2(13)
(a+b)^2=38+26
(a+b)^2=64
(a+b)=√64
a+b=8
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