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18 votes
18 votes
For what values of x does the following expression √x-1 + √5-x make sense?

User RonTLV
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1 Answer

14 votes
14 votes

Answer:

Either x = 1 or x = 5

Explanation:


{ \tt{ √(x - 1) + √(5 - x) }}

  • for x = 1


= { \tt{ √(1 - 1) + √(5 - 1) }} \\ = { \tt{2}}

  • for x = 5


{ \tt{ = √(5 - 1) + √(5 - 5) }} \\ = { \tt{2}}

User Sushil Adhikari
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2.9k points