Math Magic 11 September 05, 2025 byOm Jitender Singh Tomar Post a Comment ______________________________ √1³ + 2³ + 3³ + 4³ + 5³ +......+99³ = ? Formula {k × (k +1)} /2 where k is a last number. इसे इस प्रकार सॉल्व करें _______ ______ Q. 1 √(1³ + 2³ ) = √(1 + 8) = √9=3 Last No. = 2 Then = {2 × (2 +1)} /2 = {… Read more