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Domain of the function, $f\left(x\right)=\sqrt{1-\bar{\sqrt{\left(x^{2}} -4x+5\right)} } $ is $\left(1\right)$ $0$ $\left(2\right)$ $\left(3\right)$ $\left(2\right)$ $\left(4\right)$ $8-121\sqrt{} $ $1-\sqrt{1} ^{16}$
10th-13th grade
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Solution
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Qanda teacher - Snehashis
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