Mathematics · Algebra
If x = √(4 + √(10 + 2√5)) + √(4 - √(10 + 2√5)), then the value of x lies between:
- 13.8 and 4.2
- 23.4 and 3.8
- 33 and 3.4✓
- 42.6 and 3
Correct answer
3 and 3.4
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