The differential equation whose solution is $A x^2+B y^2=1$ where A and B are arbitrary constant is of: (A) first order and first degree (B) second order and first degree (C) second order and second degree (D) second order Choose the correct answer from the options given below:

(D) Only (C) and (D) Only (B) and (D) Only (A) Only

(B) and (D) Only

The correct answer is Option (3) - (B) and (D) Only