Assertion (A): The conditions under which it is possible to write Fourier series of a periodic function are called Drichlet conditions. Reason (R): If f(t) = - f(- t), it is refereed to as odd symmetry.

• A. Both A and R are correct and R is correct explanation of A
• B. Both A and R are correct but R is not correct explanation of A
• C. A is true, R is false
• D. A is false, R is true