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On Weighted Forgotten Index

To study the quantitative structure property relationship of molecules, the efficient tools are the topological indices. In this connection, the weighted forgotten topological index FWGis conceived. As an application of this index, the comparative study was done with already existing topological indices. The results of the QSPR analysis revealed that the predicting power of FWGis better than the forgotten index. Further, we explore mathematical properties of FWG