Question:
Given that
approximately, find to three places of decimals the value of
Answer:
The rationalising factor of the denominator
.
∴
=>
[
(given)]
=>
approximately, correct upto three places of decimals
Q 26.
Find the value to three places of decimals, of each of the following:
It is given that 2 = 1.414 , 3 = 1.732, 10 = 3.162 and 5 = 2.236 (approx.).
(i) 2 + 1 5 (ii) 2 - 3 3 (iii) 10 - 5 2