find-all-values-of-x-if-x-2-4mod-5-and-0-x-11-

Question Number 200175 by mokys last updated on 15/Nov/23

f i n d a l l v a l u e s o f x i f x^{2} \equiv 4 m o d (5) a n d 0 ⩽ x ⩽ 11 ?

Commented by AST last updated on 15/Nov/23

2, 3, 7, 8

Commented by mokys last updated on 15/Nov/23

w h e r e s t e p s o f t h e s o l u t i o n

Answered by cortano12 last updated on 15/Nov/23

x = 8

x = 3

Answered by Rasheed.Sindhi last updated on 15/Nov/23

x^{2} \equiv 4 (m o d 5)

x \equiv 2 (m o d 5) \lor x \equiv - 2 (m o d 5

x \equiv 2 \equiv 7 (m o d 5) \lor x \equiv 3 \equiv 8 (m o d 5)

x = 2, 3, 7, 8