1.

What is the equation of a curve passing through (0, 1) and whose differential equation is given by `dy = y tan x dx`?A. `y = cos x`B. `y = sin x`C. `y = sec x`D. `y = "cosec" x`

Answer» Correct Answer - C
`dy = y tan x dx`
`int (dy)/(y) = int tan x dx`
`log |y| = log |sec x| + log |c|`
`log |y| = log |c sec x|`
`y = c sec x`
at `x = 0, y = 1`
`y = c`
Soluttion is given by
`y = sec x`


Discussion

No Comment Found

Related InterviewSolutions