In the early months of some year, one site added 0.5 million new accounts every day. At this rate, how many days would be need
2 answers:
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Answer:
Step-by-step explanation:
(a)
Consider the following:
Use sine rule,
Again consider,
Thus, the angle B is function of A is,
Now find
Differentiate implicitly the function with respect to A to get,
b)
When , the value of
is,
c)
In general, the linear approximation at x= a is,
Here the function
At
And,
from part b
Therefore, the linear approximation at is,
d)
Use part (c), when , B is approximately,
The required value if r = 32 and d = 2 is -3
Given the expression
Substituting the given variables
r = 32
d = 2
The expression becomes
Hence the required value is -3
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