11 May 2024

Class 9 | Inequalities | In a quadrilateral ABCD; Prove that (i) AB+BC+CD>DA , (ii) AB+BC+CD+DA> 2AC, (iii) AB+BC+CD+DA> 2BD

 

Class 9 | Inequalities | In a quadrilateral ABCD; Prove that (i) AB+BC+CD>DA , (ii) AB+BC+CD+DA> 2AC, (iii) AB+BC+CD+DA> 2BD
Class 9 | Inequalities | In a quadrilateral ABCD; Prove that (i) AB+BC+CD>DA , (ii) AB+BC+CD+DA> 2AC, (iii) AB+BC+CD+DA> 2BD



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Summation k=1 to 9 1/k(k+1)(k+2) Class 9/10 IOM

 ANSWER:  276