Answer :
Given, A differential equation
To find: Find the solution of the differential equation , for y(1) = - 1
Explanation: We have given a differential equation
We can write it as ,
Now, integrating both sides,
Here, we know, and
For y, and
So,
…(i)
Now, y(1) = - 1 , then
Put x = 1 and y = - 1 in equation (i)
- 1 - 2 log 1 = 1 + 2 log 1 + C
- 1 = 1 + C
C = - 2
On putting C = - 2 in equation (i), we get
Since, mlog n = log nm
y - x + 2 = log (y + 2)2 + log x2
Since, log m + log n = log mn
y - x + 2 = log (x2(y + 2)2)
Hence, The solution of the given differential equation is
y - x + 2 = log(x2(y + 2)2)
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