सरल कीजिए : 4 \div 4^{-2}+\sqrt{81}+\sqrt{25}=?

RRB RPF एवं RPSF SI परीक्षा 19 Dec 2018 Shift 1

Question : 104 of 120

Marks: +1, -0

सरल कीजिए :

4 ÷ 4^{-2}+√{81}+√{25}=?

Solution:

\;\text " (4) "\; ?=4 ÷ 4^{-2}+√{81}+√{25}

\;\; =4 ÷ \;{1}/{4^{2}}+9+5

\;\; =4 × 4^{2}+14

\;\; =64+14

\;\; =78

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