e matrix formulation of \( k \)-means?</p>
            <ul class="options">
                <li><label><input type="radio" name="q7" value="0"> a) It represents the cluster centers.</label></li>
                <li><label><input type="radio" name="q7" value="1"> b) It represents the distances between data points.</label></li>
                <li><label><input type="radio" name="q7" value="2"> c) It encodes the cluster assignments of each data point.</label></li>
                <li><label><input type="radio