Decide What Values of the Variable Cannot Possibly Be Solutions $$\left( x ^ { 2 } + 2 \right) ^ { 1 / 2 } - ( 2 x + 5 ) ^ { 1 / 2 } = 0$$

question 447

Multiple Choice

Decide what values of the variable cannot possibly be solutions for the equation.
- $$\left( x ^ { 2 } + 2 \right) ^ { 1 / 2 } - ( 2 x + 5 ) ^ { 1 / 2 } = 0$$

• A) \(\varnothing\)
• B) \(\{ 3 \}\)
• C) \(\{ 3 , - 1 \}\)
• D) \(\{ - 3,1 \}\)

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