Math.i

 O'Quest: Deret Teleskopik Tentukan hasil perkalian  \[  (1\times 2^{1-2})\times(2\times 3^{2-3})\times(3\times 4^{3-4})\times\,\cdot\cdot\cdot\times(98\times 99^{98-99})\times(99\times 100^{99-100})=\cdot\cdot\cdot\]