Question:
If x = 2 +
, find the value of
Answer:
We have,
∴
Now,
=>
ALITER we have,
∴
Thus,
=>
=>
Q 25.
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