Mathematics Find $$\scriptscriptstyle {S_\infty } = 1 + {{1 + 2} \over {2!}} + {{1 + 2 + 3} \over {3!}} + {{1 + 2 + 3 + 4} \over {4!}} + ……$$ October 2, 2015 Engineer Manish Verma Leave a comment Continue reading Find $$\scriptscriptstyle {S_\infty } = 1 + {{1 + 2} \over {2!}} + {{1 + 2 + 3} \over {3!}} + {{1 + 2 + 3 + 4} \over {4!}} + ……$$ →