Choose the incorrect statement ‚Äö√Ñ√∂‚à ö√ë‚à ö‚à ´In wide band-reject filter‚Äö√Ñ√∂‚à ö√ë‚à öœÄ .$

• A. Low cut-off frequency of low pass filter must be larger than the high cut-off frequency of the high pass filter.
• B. Low cut-off frequency of high pass filter must be equal than the high cut-off frequency of the high pass filter.
• C. Low cut-off frequency of high pass filter must be smaller than the high cut-off frequency of the low pass filter.
• D. None of the mentioned