If is the solution of the differential equation with initial condition , what is the value of ?

Answer and explanation

Correct answer: A.

  1. Step 1: Calculate the integrating factor: , so .
  2. Step 2: Multiply by and integrate: .
  3. Step 3: Use : . Thus . At : .
Answer
.
Why not the others: forgets to divide by the denominator ; divides by ; substitutes .

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