সহমৌলিক সংখ্যা 1


$\underline {ab}$ and $\underline {ba}$ are two numbers where $a$ and $b$ are co-prime. If the GCD of $\underline {ab}$ and $\underline {ba}$ are $\frac{(a+b)}{2}$, then find the value of $(a+b)$.

Number Theory  


GCD  


Co-Prime  


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