20210207014000.0 2456-8155 2456-8155 International journal of applied & experimental mathematics. 2456-8155 https://www.graphyonline.com/journal/journal_article_inpress.php?journalid=IJAEM India International journal of applied & experimental mathematics International journal of applied & experimental mathematics International journal of applied & experimental mathematics. 2456-8155 2456-8155