A) 6
B) 10
C) 8
D) 4
Correct Answer: D
Solution :
Expression |
\[=\sqrt{10+\sqrt{25+\sqrt{108+\sqrt{154+15}}}}\] |
\[=\sqrt{10+\sqrt{25+\sqrt{108+\sqrt{169}}}}\] |
\[=\sqrt{10+\sqrt{25+\sqrt{108+13}}}\] |
\[=\sqrt{10+\sqrt{25+\sqrt{121}}}\] |
\[=\sqrt{10+\sqrt{25+11}}\] |
\[=\sqrt{10+6}=\sqrt{16}=4\] |
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