सरल कीजिए : ((5^{4})^{2} \times \frac{1}{125^{2}}) \times 5+12=?

RRB RPF एवं RPSF SI परीक्षा 19 Dec 2018 Shift 3

Question : 115 of 120

Marks: +1, -0

सरल कीजिए :

((5^{4})^{2} × \;{1}/{125^{2}}) × 5+12=?

Solution:

\;\text " (4) "\; ?=((5^{4})^{2} × \;{1}/{(125)^{2}}) × 5+12

\;\; =(5^{8} × \;{1}/{(5^{3})^{2}}) × 5+12

\;\; =5^{8} × \;{1}/{5^{6}} × 5+12

\;\; =5^{3}+12

\;\; =125+12=137

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