CUET Preparation Today
The value of $3^{18} (mod\, 4)$ is equal to |
0 3 1 2 |
1 |
The correct answer is Option (3) → 1 Compute $3^{18}\;(\text{mod}\;4)$ $3\equiv -1\;(\text{mod}\;4)$ $3^{18}\equiv (-1)^{18}\;(\text{mod}\;4)$ $(-1)^{18}=1$ $3^{18}\equiv1\;(\text{mod}\;4)$ The value of $3^{18}\;(\text{mod}\;4)$ is $1$. |
