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Question

It being given that 2=1.414, 3=1.732, 5=2.236 and 10=3.162, find the value of three places of decimals, of each of the following.
(i) 25

(ii) 2-33

(iii) 10-52


Solution


(i)
 25=25×55=255
=2×2.2365=0.894
(ii) 
2-33=2-33×33=23-33
=2×1.732-33=0.155
(iii)
 10-52=10-52×22=210-52
=1.414×3.162-2.2362=0.655

Mathematics
RS Aggarwal (2020, 2021)
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