Using differentials, find the approximate value of each of the following:
Let us consider y = x1/4 and 
and 
Then, 
Therefore, 
Now, dy is approximately equal to Δy and is equal to
dy = 
Therefore, the approximate value of 
is 
1
Using differentials, find the approximate value of each of the following:
Let us consider y = x1/4 and and
Then,
Therefore,
Now, dy is approximately equal to Δy and is equal to
dy =
Therefore, the approximate value of is