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BBB 2022 - Senior Secondary - Preliminary Round Question 5

BBB · BBB 2022 - Senior Secondary - Preliminary Round

Question 5

How many integral solution(s) is / are there for $x$ if $2\le\frac{(x-3)^2}{2}-5\le12$?
  1. 2
  2. 4
  3. 6
  4. 21