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TIMO - 2017 - Grade 8 - Preliminary Round - Paper 5 Question 10

TIMO · TIMO - 2017 - Grade 8 - Preliminary Round - Paper 5

Question 10

Find the maximum value of $\sqrt{21-2x}+\sqrt{2x-3}$.
  1. $6\sqrt{2}$
  2. $3\sqrt{2}$
  3. $\sqrt{17}+1$
  4. 6