The square root of 21 \frac{51}{169} is

NCHMCT JEE 2020 Question Paper with solutions for online practice

Question : 85 of 200

Marks: +1, -0

The square root of

21 \;{51}/{169}

Solution:

Expression

\;\; =√{21 \;{51}/{169}}=√{\;{21 × 169+51}/{169}}

\;\; =√{\;{3600}/{169}}=\;{60}/{13}=4 \;{8}/{13}

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