CUET Preparation Today
The set of values of x satisfying $26≡5(mod\, x)$ is ___________. |
{3, 7} {1, 3, 7} {3, 21} {3, 7, 21} |
{3, 7, 21} |
$26\equiv5\pmod{x}.$ $x\mid(26-5).$ $x\mid21.$ $\text{Divisors of }21:1,3,7,21.$ $\text{Required set }=\{3,7,21\}.$ |
