Free Practice Question
PS · Problem Solving
sub-505
Roots
What is the value of the expression ?
Answer Choices
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B
Correct
D
E
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What it tests
Your handling of square and higher roots, including simplifying radicals.
Common trap
Forgetting the ± when taking a square root to solve an equation, or assuming √(a²) = a.
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Details
Difficulty
sub-505
Type
PS
Category