JEE Main 2020 Mathematics question

Let y = y(x) be the solution of the differential equation, , y > 0, y(0) = 1. If y() = a and at x = is b, then the ordered pair (a, b) is equal to:

• (A)(2, 1)
• (B)
• (C)(3, –1)
• (D)(1, 1)Correct