Simplify \(\sqrt{160r^2 + \sqrt{71r^4 + \sqrt{100r^8}}}\)
MATHEMATICS
JAMB 1990
Simplify \(\sqrt{160r^2 + \sqrt{71r^4 + \sqrt{100r^8}}}\)
- A. 9r2
- B. 12\(\sqrt{3r}\)
- C. 13r
- D. \(\sqrt{13r}\)
Correct Answer: C. 13r
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