So, it is always good for us to have the context in which we are result is being stated, Jensen's inequality states that for a concave function and for us you are very specifically interested only in the logarithm because we are looking at capacity.
जेन्सेन की असमानता के मुताबिक कॉन्केव फ़ंक्शन के संदर्भ में हम केवल विशेष रूप से लोगेरिधम में रुचि रखते हैं क्योंकि हमें केपेसिटी पढ़ रहे हैं।