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tan^(-1)x+tan^(-1)y = c is the general s...

`tan^(-1)x+tan^(-1)y = c` is the general solution of the differential equation

A

`dy/dx = (1+y^(2))/(1+x^(2))`

B

`dy/dx = (1+x^(2))/(1+y^(2))`

C

`(1+x^(2)) dy + (1+y^(2)) dx = 0

D

dy/dx = (1-y^(2)/(1-x^(2))

Text Solution

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The correct Answer is:
C
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