The value of $$\sqrt {40 + \sqrt {9\sqrt {81} } }$$ is = ?
The value of $$\sqrt {40 + \sqrt {9\sqrt {81} } }$$ is = ? Correct Answer 7
$$\eqalign{ & \sqrt {40 + \sqrt {9\sqrt {81} } } \cr & \Rightarrow \sqrt {40 + \sqrt {9 \times 9} } \cr & \Rightarrow \sqrt {40 + 9} \cr & \Rightarrow \sqrt {49} \cr & \Rightarrow 7 \cr} $$
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Feb 20, 2025